SCIENCE AND MATHS exam papers for beginners

LIFEWAY EDUCATIONAL INSTITUTE

LEIGRADE 6- MATHEMATICS – 1st TERM TEST

PART 1

Answer ALL the questions on this paper itself . Marks will be deducted for untidy hand writing.

1. Write the numbers denoted by the following number line.…………………………………………………………………………………………………………………………………………………………………………………

2. Fill in the blanks.(a) 5 ……… -5(b) 2……… 2

3. This clock shows the time Sachini came home after school.(in the afternoon) Name the angle formed by the arms of the clock.

……………..

4. Write down the time Sachini came home after school in the standard form.……………………………………….

5. There are 34678901234 hair roots in Thusith’s hair. Write this number by separating it into zones.(name the zones.)

……………………………………………………………………………

6. How many circles are there in this flower bed?

………………..7. Naafia has five rupees. The cost of a toffee is 2 rupees. Show the excess money that Naafia has got in the

following number line.

8. What is the angle that takes the sum of two right angles?…………………………………………..

9. Estimate the number of words in this page.………………………………

10. Approximate the following numbers to the nearest ten.

Grade 07- Science N.C.K.


(a) 85 - ………………….(b) 10 - ………………….11. Name the four main directions.

............................................................................................................................................................................

.

12. Write a vertical and a horizontal thing in your home.Vertical - …………………………………………………… Horizontal - ………………………………………………..

13. Write the fraction coloured in the square.

……………….14. Study the following diagram and fill in the blanks.

Yamoshi N

Lakshan Naafia Nelma

Navod Nelma is in …………………….. direction of Naafia.Navod is in …………………….. direction of Naafia.

15. 1 hour and 20 minutes = ………………… minutes

16. Find the quotient and remainder. 201 ÷ 25

Quotient - ………………………….. remainder - …………………….

17.(a) Write in the digit form. Twenty three thousand eight hundred and fifty five. - …………………………………..

(b) Write in words.5327 - ……………………………………………………………………………

18. Starting time of a twenty20 cricket match is 1400h and finishing time is 1815h. What is the duration of the cricket match?……………………………………………………………………………………….

19. Multiply ; 225 x 0 = …………………… 50 x 1000 = ………………………..



20. Fill in the blanks. .... 5 X 2 0 0 .…. 7 0

7 0 0PART 2

Answer ALL the questions Use a separate paper to answer the questions.

1. Simplify.

(a) 22 x 100 (b) 2320 ÷ 10(c) 435 + 287(d) 55 381 – 21 671(e) 58 x 72(f) 100 x 0

2.(a) Measure and write.

(b) What is the most appropriate unit to measure the distance from Ja-Ela to Kandana?

(c) How many days are there for a leap year?

(d) Name the following.

(e) Show the following number in an abacus.53 290

(f) What is the place value of ‘9’ in the above number.(underline the correct answer)(ten, unit, thousand)

3. (a) Fill the following table.Name amount of money cost of a chocolate excess money shortfall of money

(Rs.) (Rs.) (Rs.) (Rs.)



Lakshan 12 10 ………… -Shevon 14 10 ………… -Navod 9 10 - 1Raveesha 11 10 1 -Sachini 7 10 - 3Nelma …….. 10 - 2

(b) Consider the cost of a chocolate as the constant and draw a number line showing the excess or shortfall of money of the students compared to the cost of a chocolate.

(c) Fill in the blanks in words.(use lesser/greater or equal)(1) -3 is …………….......... than -9.(2) 0 is ………………….. than 5.(3) 8 is ……………….. to 5+3

(d) Fill in the blanks with symbols.(1) -5 ………… -10(2) -5 …………. 4

4. (a) Draw the following angles.

(1) Reflex angle(2) Obtuse angle(3) Straight angle

(b) Draw and name the eight directions.

(c) Select the things which are vertical and write them in your answer sheet.The floor of the classroom, the surface of the walls in the classroom, whiteboard, the portion of the teacher’s table.

(d) How many horizontal planes(sides) are there in a box?

(e) Write the following time in 24 hour clock method.

20 minutes 10 seconds past 10 A.M.

(f) Write you birthday in the standard form.(e.g. – 06th February 1993 is written in standard form as 06-02-1993)

THE END !

Marking space : (do not write anything here)

LEI



GRADE 6- SCIENCE – 1st TERM TEST

PART 1 Answer ALL the questions on this paper itself . Marks will be deducted for untidy hand writing.

1. What is the instrument that can be used to examine very small letters in an old book?(1) A prism binocular (2) A microscope(3) A Hand lens (4) A stethoscope

2. Which of the following is a spontaneous phenomenon ?(1) Irruption of a volcano (2) deforestation(3) adding chemicals to streams (4) polluting air through poisonous gases.

3. Which one does not have a mass?(1) Air (2) water (3) ice (4) sunlight

4. The SI unit of measuring the temperature of a water beaker is,(1) Seconds (2) Kelvin (3) Celcius (4) Faranheit

5. A student of grade 6 made an instrument to measure time using sand and two bottles. It was also used by our ancestors to measure time. The instrument might be,(1) A water clock (2) a sand clock (3) a stop-watch (4) a floating

plate

6. Below diagrams show three occasions in which the temperatures of a water beaker is measured.Choose the correct order of the state of water in each beaker.

(1) 0 C, 100 C, 27 C (2) 100 C, 0 C, 27 C (3) 27 C, O C, 100 C (4) 0 C, 27 C, 100 C

7. Who has a radial symmetry?(1) Frog (2) sea anemone (3) man (4) shark

8. Choose the animals who have no appendages, 2 pairs of wings and 10 limbs respectively.(1) Earthworm, cockroach, prawn (2) earthworm, prawn, cockroach(3) prawn, earthworm, cockroach (4) cockroach, prawn, earthworm

9. Which animal has sharp canine teeth and long, sharp nails?(1) Locust (2) cow (3) man (4) lion

10. Select the wrong thing to be done while measuring the weight of a tablet from a chemical balance.(1) Touching the weights from dirty hands.(2) Balancing the balance before measuring the weight.(3) Estimating the weight of the tablet and using the appropriate weights.



(4) Using an instrument to place the weights and the tablet in the balance.

11. An animal who uses webbed feet for locomotion is,(1) Fish (2) man (3) frog (4) tortoise

12. Select the correct statement.(1) Fish uses gills to swim and fins to breath.(2) No animal can live in various environments.(3) Reproduction is not a common feature of plants.(4) Sensitivity is shown in mimosa plant when its leaves contract when you touch.

13. An animal lives in the aquatic environment. But unlike a fish it has lungs to breath and special legs(flippers) to swim.The animal might be,(1) A shark (2) a prawn (3) a bat (4) a whale

14. The SI unit of measuring time is,(1) Second (2) hour (3) kala (4) minute

15. What is the oldest instrument used to measure time?(1) Sand clock (2) pe thatiya (3) sun dial (4) water

clock

16. An ant has,(1) No limbs (2) 4 limbs (3) 3 pairs of limbs (4) 3 limbs

17. Photosynthesis is,(1) The process of breathing(2) A way of locomotion(3) The process which animals produce food(4) The process which plants produce food.

18. Which is the correct way of writing the SI unit of temperature and mass respectively.(1) ‘K, KG (2) K. KG (3) ‘K, Kg (4) K, kg

19. A non-recurrent phenomenon is,(1) Death of an animal (2) setting of sun(3) rising of sun (4) water cycle

20. An animal had following characteristics ;A- Strong nails B-Strong and long hands and legs.(arms)

The animal may live ,(1) In sea (2) on land (3) on trees (4) in soil



PART 2

Answer ALL the questions Use a separate paper to answer the questions.

1. Study the picture given and answer the following questions.

(a) Name three materials and one non-material you can see in the picture.(b) Name three natural things and three artificial things.(c) Name one recurrent phenomenon and one non-recurrent phenomenon in the picture.(d) What time of the day do you think this is?(e) Write the sense organ which helped you to get the above observation.(f) Imagine that you visited this place and you are observing this scenery by standing on a nearby

mountain-top.now what are the other sense organs[apart from the above one] that help you to get observations?

(g) Write an observation you get from the above sense organs.(h) Name this picture with a suitable topic.

2. “Ancient people used various units to measure the four fundamental measurements. They used link and span to measure length. And units like kalan, thukku and manchadi were used to measure mass. Today we use more developed and successful units to measure those measurements. The problem with desirable units was that they didn’t have a certain uniform pattern. For an example, a foot included 12 inches while a kilometre includes 1000 metres….”

The above passage is taken from a speech made by a grade 6 student. Read it carefully and answer the given questions.

(a) What is the common name given to the ancient units?(b) What was the main problem of those ancient units?(c) Two if the fundamental measurements are given in the passage, what are the other two?(d) Write a desirable unit used to measure mass and length respectively.(e) How many metres are there for a kilometer?(f) What is the standard international unit to measure length ?(g) Write two sub-units of measuring length.(h) The thickness of a 40 page book is 1cm. what is the thickness of a one page?(i) Who invented the first ever thermometer?(j) Name one unit which astrologers use to measure time.

3.



i. Name the animals with a bi-lateral symmetry.ii. Name the animals with a radial symmetry.

iii. Name the animal who has no appendages.iv. Name an animal who has wings.v. Name the animals who are vertebrates.

vi. Name an animal who lives in various environments.vii. Fill in the blanks of the following dichotomous key to classify the above animals.

4.

(A) What is the common name for both plants and animals.

(B) Write two similarities between plants and animals.(C) Write a dissimilarity between plants and animals.(D) Write a one characteristic of a dichotomous key.(E) This animal in the picture lives in the deep sea. Identify him and write its name.(F) What is the kind of symmetry this animal has? Draw a diagram to show it.

THE END !

Marking space : (do not write anything here)



PART 11 Answer the 1 st question and another 4 questions on a separate paper. Question number one carries 20 marks while other questions carry 10 marks each.

1.(a) Grade 6 students of Lifeway got an opportunity to win a ‘lucky prize’. Twelve whole numbers were

inserted into a huge ‘glass ball’ and each student was asked to take a number out randomly. The student with ‘the lucky number’ was announced as the winner.

Some of the students showed their numbers but others kept them in secret. Numbers they obtained are listed below.Lakshan- 25 Thusith- 2 Yamoshi- 3Praveen- 1 Raveena- 4 Naafia- ?Shewon- 36 Vidushi- 12 Pasindu- ?Sachini- ? Chelsea- ? Priyan- ?

i. Who got the 1st prime number?

ii. Praveen got a number which is neither a prime number nor a composite number; what is it?

iii. Name the four students who got the factors of 12.

iv. Who got the second even number?

v. Sachini got the number equal to the perimeter of the given triangle. Calculate it to find her number.

vi. Name the two students who got the 5th and 6th square numbers respectively.

vii. Naafia told that her number is less than 20 and is a multiple of both 3 and 5. Find and write the number she obtained.

viii. The product of Pasindu’s and Priyan’s numbers is 48. Pasindu’s number is two(2) greater than Priyan’s number. Write the two numbers they got from the ‘glass ball’.

ix. Chelsea wrote her number as a sum of the following decimals. Add them and find her number. 13. 389 + 6.611

x. The student with the number which is a square number, a triangular number, a composite number and also an even number was chosen as the winner. Use your knowledge about ‘types of numbers’ and find out the ‘lucky winner’.

(b) A group of grade 6 students were asked follow the given instructions and draw a certain straight lined plane figure named ABYZ. First draw a horizontal line of 5cm and name it as AB.

And then draw to vertical lines starting from A and B; both at the length of 3cm.

Finally join the two vertical lines by drawing a straight line from Y to Z.

Follow the above instructions to draw the figure and name it.

2. (a) Fill in the blanks using <, > or =

i. 0.78 ………….. 1.38ii. 3 ………… 5/9iii. -4.5 …………… 1iv. 1/2 …………… 0.5



(b) A beef burger with a cheese slice weighs 51.23g; a beef burger without cheese weighs 42.16g. What is the weight of the cheese slice?

(c) Convert 2 1.21 into a fraction.

3. (a) The distance from Ja-Ela to Colombo is 16km. Express this distance in metres.

(b) Simplify :

(c) The thickness of a 5 rupee coin is 2mm. what is the thickness of 20 such coins?(d) Population of Sri Lanka is an unknown value; write an algebraic expression to express it.(e) Next month, the population will increase by another 1000, write the expected population of Sri Lanka in

the next month. (in terms of the above symbol you used)

4. Below diagram shows 3 sets of animals. Choose appropriate name for the each set from the brackets.

(arboreal, land, soil)

i. What is the name can be given to the set denoted by e (the set shown by the rectangle)?ii. Man is also a land animal, write the members of the set ‘land animals’ including man.iii. Write a group that cannot be named as a set.iv. Write the set of ‘the four main directions’ in between double brackets.

5. (a)

Observe the above pictures carefully and answer the questions.i. Name a solid with two plane surfaces, one curved surface and two curved edges.ii. The figure ‘F’ is a (scalene/isosceles) triangle.iii. Write a one feature of E.iv. Name an example for the solid ‘C’.v. How many equal edges does figure D have?vi. F is a trapezium, copy it in your answer sheet and draw a line to divide it to a triangle and a

parallelogram.

6.(a) Per capita consumption of drinking water (amount of water drunk by a one person) in Navod’s house

per day is 2 litres.i. Express the above volume in millilitres.ii. If there are 5 members in his family, what is the the total volume of drinking water (in litres) they

need for a day?



(b) Navod’s family has to buy water from a nearby supermarket because their water was reported unsuitable for drinking.

i. What is the total volume of water the family needs for a 30 day month?

ii. If they have to spend Rs.20 for a 1l of water, calculate the amount of money they have to spend for drinking water for a 30 day month.

iii. Navod said his parents that his teacher told that a person should at least drink 2.5l per day. But his brother argued that it is a waste to spend extra money on drinking water. Who is correct? Give a

reason.

- The END -

LEIGRADE 6- MATHEMATICS – 2st TERM TEST

PART 1 (30 minutes)

Answer ALL the questions on this paper itself . Marks will be deducted for untidy hand writing.

1. Simplify.

9 588- 6 829

2. The picture shown at the right is the symbol of the( Olympic games/ SAARC games )

3. Mark the answer of (1 × 4) in a number line.

4. Circle the numbers divisible by 2.

27, 59, 106, 526, 30

5. 21.63 – express this decimal in words.

……………………………………………………………………………………………………………………………………………………………………………………………………………………………..

6. (a) How many horizontal faces does a brick have? ………………………………………(b) The heart is at the ……………………………………… direction of the star.

N

7. (a) Name this figure.

…..…………………………..



(b) Name the solid which has two plane faces of the above shape. …………………………………….

8. Write all the prime factors of 24.………………………………………………..

…………………………………………………………………………………………………………………………………………………………………………………

9. Group the following numbers in to 2 sets.(name the sets)

2, 3, 6, 9, 15

10. If = 2 , = 9 and = 6 ; simplify the following two numbers using the appropriate values.

×

11. Find the total length around the following figure.

12. Draw the 3rd triangular number using dots.

13. Show the following number in the given abacus.

4322.5

14. The picture shows a piece of the chocolate cake Shewon made for his birthday. (a) Mark a curved edge as ‘C’.(b) Mark a vertex as ‘D’.

15. The capacity of a basin is 2.5l and 1.4l of the basin was filled by rain water. What is the empty volume of the basin?…………………………………………………………………………………………………………………………………………………………………………

16. Write the mixed number indicated by the diagram.



……………………………………………..

17. Underline the groups which can be separated as sets.(a) Well-behaved students in Lifeway(b) Days of the week.(c) Eight directions.(d) Selfish people in Sri Lanka.

18. There are ‘n’ number of students in Maris Stella College. If 15 new students joined the school on this Monday, write the number of students in Maris Stella College on Monday in terms of ‘n’.…………………………………………………………………………………………………………………………………………...

19. Fill in the blanks with suitable words.(there is a one extra word within brackets)( metre , quadrilateral, 1000, 100, tetrahedron)

i. ………………………….. is the standard unit of measuring length. ii. There are …………………………… metres for a 1km.iii. There are pyramids in the shape of a …………………............iv. Square, rectangle, trapezium and rhombus are all …………………………………. shaped figures.

20. (a) Simplify:

(b) Draw a square around the fractions which are not real. (improper fractions).

2/3, 3/2, 1/10, 7/8, 1000/100, 10/100000,

LEI GRADE 6- SCIENCE – 2nd TERM TEST

PART 1 (30 minutes) Answer ALL the questions on this paper itself ; underline the correct/ most suitable answer Marks will be deducted for untidy hand writing.

1. What is normally the coldest area in Sri Lanka?(1) Kandy (2) Nuwara-eliya (3) Colombo (4) Negombo

2. A plant with prop roots is,(a) Pandanus (2) orchid (3) cactus (4) betel

3. The part of a plant important for sexual reproduction is,

(2) seed (2) root (3) flower (4) pod

4. The diagram shows the main processes of the water cycle.



a, b and c respectively are,(1) Mist, condensation and transpiration (2) Fog, mist and dew(3) Condensation, transpiration and mist (4) Transpiration, condensation and mist

5. Which diagram shows the temperature of water when ice is formed?

6. Which is the ground-growing creeper?(1) Vanilla (2) pumpkin (3) pepper (4) luffa

7. Which plant stores food in the form of tuberous stems?(1) Sweet potato (2) carrot (3) beet root (4) potato

8. The shadow of the moon falls on earth to cover the sun in a,(1) Lunar eclipse (2) solar eclipse (3) lunar phase (4) none of the above.

9. Which is the asymmetrical animal?( animal without symmetry)

10. Which is an extra function of the plant stem,(1) Bearing leaves and fruits.(2) Keeping the plant straight and erect.(3) Storing food as an underground stem.(4) Transporting food and water.

11. Choose the answer which consists of a xerophytic plant and a seed dispersed by air respectively.(1) Aloe vera (‘komarika’) and ‘wara’ (2) Arecanut and grass(3) Water hyacinth(‘japan jabara’) and coconut (4) Cuscuta and bryophyllum (‘akkapana’)

12. Which of the following actions of man have good effect on the existence of the water cycle?(1) Deforestation (2) Releasing household waste to rivers.(3) Plantation of trees (afforestation) (4) Collecting of snow

13. Select the least abundant gas of the following gases.(1) Oxygen (2) Carbon dioxide (3) Nitrogen (4) Water

vapour

14. Select the statement which shows the connection between plant and water.(1) Transpiration helps to cool the plant body.(2) Plants need water to produce food and absorb minerals.(3) Plants need water to stay erect and fresh.(4) All above statements are suitable.

15. A Spontaneous phenomenon which needs water is,(1) Eruption of volcanoes (2) Washing cars.



(3) Rising of the sun (4) Germination of seeds

16. Day and night occur because of,(1) The earth’s rotation around its own axis.(2) The moon’s rotation around its own axis.(3) The earth revolves around the sun.(4) The moon revolves around the earth.

17. Select the group with only soil animals.(1) Earthworm, parrot, man(2) Earthworm, millipede, centipede(3) Earthworm, monkey, millipede(4) Cactus, millipede, elephant

18. Which of the following is the least dangerous problem for the human beings in the present?(1) Damage of the ozone layer(2) Shortage of drinking water(3) Melting of the glaciers(global warming) (4) Shortage of crude oil (petrol, diesel etc.)

19. Grade 6 students of Lifeway did an experiment using a water glass, some ice cubes and water. They put some ice cubes into the glass and added some water. After few minute they observed the outer surface of the glass. Select the correct observation they had and the reason for it.

Observation Reason(1) Having tiny liquid(water) droplets evaporation(2) Having tiny liquid(water) droplets condensation(3) Having water vapour condensation(4) Having water vapour transpiration

20. A disease does not spread by water is,(1) Dengue(2) Cholera(3) Swine flu(4) Malaria

PART 11 Answer the 1 st question and another 4 questions on a separate paper. Question number one carries 16 marks and other questions carry 11 marks each.

1. Grade 6 students of Lifeway won an ‘all island wallpaper competition’ on plants organized by the department of education. A part of that winning wall hanging is given below.



i. What is the common name can be given to the group of plants indicated by ‘B’?ii. ‘e’ is a fixed plant with beautiful flowers, what is the name of it?

iii. Plant ‘f’ is eichhornia (japan jabara); what kind of root system does it have?

iv. Name the possible two groups in the table 1.(i and ii)

v. ‘a’ is a cactus plant. It has a green stem for photosynthesis. Write another adaptation of the plant.

vi. What is the main reason for the above adaptations?

vii. Table 2 shows the three ways of seed/fruit dispersal; write the missing way indicated by (i).

viii. Name a fruit or seed dispersed by water.

ix. When the students were making the wall hanging, Dinitha said that they could use plastic materials for it; but Mareen argued that they should use only natural materials for the wall hanging. Give one advantage and a one disadvantage of using natural materials.

2. Eclipses are rare events occur in a state where sun, moon, and earth fall on the same line. Given in the diagram is a lunar eclipse.

i. Name x, y and z.ii. What is the special day in which the above eclipse normally occurs?iii. What is the reason that we are unable to see the moon in the above occasion?iv. What is the other eclipse people on the earth can experience?v. In what time of the day (day or night) does the eclipse mentioned in ‘d’ occur? vi. How long does it take the earth to revolve once around sun?vii. Name an incident that occurs because of the apparent motion of the sun.

3.

(a) Here’s a cross-section of the planet earth.

i. Name the parts A,B and C

ii. D and E are atmospheric layers; which is the layer most of the living beings exist?

iii. E contains a special layer which protects us from harmful UV rays from the sun; What is the name of it?

iv. Earth’s 75% of composition is water. What is the important environment process Which keeps this water protected?

v. Give one reason for the existence of life on earth.



(b) Picture shows a vanilla creeper.i. For What category of plants does it belong considering the environment it lives?

ii. Name another plant belongs to the same category.

iii. A common feature of the above category is having aerial roots to absorb water from the atmosphere; what state of water does the atmosphere have?

4. Answer the following questions using the list of living beings given below.

A- Coconut D- Man G- GingerB- ‘Akkapana’ E- CactusC- Orchid F- Mango

I. Give one difference between plants and animals.II. Which has tuberous stems which grow underground?III. Name a one plant with webbed veins in leaves.IV. Name a seed/fruit dispersed by animals.(from the above list)V. What is the main difference of the root systems of plant A and FVI. Name an animal which lives in the same environment plant A lives. VII. Classify the above plants in a dichotomous key.

(HINT- use the answer for ‘i’ and the environments, root systems etc. of the plants)

5. On her trip to Nuwara-eliya, Sachini saw thick mist surrounding the town. And ice-cream cups were just kept outside the stores. Just when they arrived to their hotel a heavy rain started falling. She had a good sleep that night and when she got up she saw tiny water droplets on the surfaces of the flowers and leaves outside.

I. How many ways of precipitation (ways which water falls on earth) are mentioned in the paragraph?II. What is the ‘thick mist’ called?III. Sachini didn’t know how those tiny water droplets she saw in the morning formed. Briefly explain it

to her.IV. What is the name given to those water droplets?V. Name two natural sources of water which gives water to the atmosphere in the water cycle.VI. What is the main process of the water cycle that gives water to the atmosphere to form clouds?

6. Per capita water consumption of Praveen’s house per day is 250l.

I. If there are 4 members in his house, what is their household water consumption per day?II. Name 2 instances where we need water at home.III. Thusith said that their household water consumption per day is 400l. Why their water consumption

is higher than Praveen’s house? (Give one reason).IV. Praveen said to Thusith that we must use a bucket to water the plants instead of a horse. The type

of water in the soil that plants absorb is (underground water/ capillary water). Write the correct answer in your answer sheet.

V. Even though 3/4 of our earth is water, useful water is very limited. Why can’t we use sea water(marine water) for drinking and cleaning?(give one reason)

VI. Give a one function of atmospheric water.VII. Write two ways of conserving the precious resource ‘water’.



\

WELCOME TO GRADE 07!

Let’s revise the knowledge and awareness you gained in grade 06 first; select the best statement in each of the following questions.

1. Photosynthesis is,(1) The process of breathing(2) A way of locomotion(3) The process which animals produce food(4) The process which plants produce food.

2. Which is the ground-growing creeper?(1) Vanilla (2) pumpkin (3) pepper (4) luffa

3. Which plant stores food in the form of tuberous stems?(1) Sweet potato (2) carrot (3) beet root (4) potato

4. The shadow of the moon falls on earth to cover the sun in a,(1) Lunar eclipse (2) solar eclipse (3) lunar phase (4)

none of the above.

5. Which is the asymmetrical animal?( animal without symmetry)

6. What is the instrument that can be used to examine very small letters in an old book?(1) A prism binocular (2) A microscope(3) A Hand lens (4) A stethoscope

7. Which of the following is a recurrent phenomenon ?(1) Irruption of a volcano (2) Deforestation

(3) Adding chemicals to streams (4) Decomposition of leaves


9. The scale/unit of measuring the power of a earthquake;(1) Tsuna scale (2) Kelvin (3) Richter (4)

Millimetre



10.A student of grade 6 made an instrument to measure time using sand and two bottles. It was also used by our ancestors to measure time. The instrument might be,(1) A water clock (2) a sand clock (3) a stop-watch

(4) a floating plate

11. A force can be,(1) Only a pull (2) only a push (3) a push or pull (4) a push

and pull

12.Process in which plants evaporate water vapour from leaves;(1) Transpiration (2) precipitation (3) photosynthesis (4)

locomotion

13.Gas used in breathing by human beings is;(1) Carbon dioxide (2) oxygen (3) neon (4)

hydrogen

14.What is the instrument that can be used to measure the wind speed ?(1) Barometer (2) wind vane (3) rain gauge (4)

Anemometer

15.Which of the following is an example of changing the direction of an object by a force?(1) Pushing a parked car (2) Catching a ball(3) Playing a shot in cricket (4) Stretching a rubber band

16.The materials which show plasticity, brittleness and elasticity respectively are,(1) Wet clay, dry clay and rubber (2) Dry clay, rubber and wet

clay(3) Plastic, rubber and wet clay (4) Wet clay, rubber and dry clay

17.The layer of earth with the highest temperature,(1) Upper mantle (2) ionosphere (3) inner core (4) outer

core

18.Which is an extra function of the plant stem?(1) Bearing leaves and fruits.(2) Keeping the plant straight and erect.(3) Storing food as an underground stem.(4) Transporting food and water.

19.Choose the answer which consists of a xerophytic plant and a seed dispersed by air respectively.(1) Aloe vera (‘komarika’) and ‘wara’ (2) Arecanut and grass(3) Water hyacinth(‘japan jabara’) and coconut (4) Cuscuta and

bryophyllum (‘akkapana’)



20.Grade 6 students of Lifeway did an experiment using a water glass, some ice cubes and water. They put some ice cubes into the glass and added some water. After few minute they observed the outer surface of the glass. Select the correct observation they had and the reason for it.

Observation Reason(1) Having tiny liquid(water) droplets evaporation(2) Having tiny liquid(water) droplets condensation(3) Having water vapour condensation(4) Having water vapour transpiration

21.Riding a bicycle/ Photosynthesis/ mango falling from a tree: Choose the correct order of energy transformations in each occasion:(1) Chemical En of food Kinetic En / Solar En. Chemical En of food / Kinetic En

Potential En (2) Chemical En of food Kinetic En / Solar En. Chemical En of food / Potential En

Kinetic En(3) Solar En. Chemical En of food/ Chemical En of food Kinetic En / Potential En

Kinetic En(4) Chemical En of food Kinetic En/ Potential En Solar En / Solar En. Chemical En of

food

ASSESSMENT01 - DYNAMIC NATURE OF THE ENVIRONMENT

Underline the correct/ most suitable answer

1. Biosphere includes,(1) All living beings(2) All waters and mountains(3) All living beings and abiotic environment which interacts with them(4) All plants

2. Select the answer with only herbivores in it.(1) Leech, eagle, tiger, kite (2) butterfly, cricket, humming-

bird, rabbit(3) cow, crow, man, owl (4) bear, dog, cat, frog

3. Select the epiphytic plant:(1) Valisnaria (2)Drynaria (3) Sonneratia (4)

Cactus

4. Which of the following is a migrant bird that visits Sri Lanka? (1) Quail (2)Crow (3) Jungle fowl

(4)Magpie



5. Given in the diagram is an important plant structure mainly situated in leaves which allow the exchange of oxygen and carbon dioxide and transpiration. It is known as,

(1) Stomata (2) Seed (3) Bud(4) Hole

6. Which of the following is a characteristic of a sandy beach?(2) Sufficient water, soil, air and light (2) Strong sunlight, little water

in soil(3) Covered with water, little water in soil (4) Loose, salty soil and strong wind

7. The type of final stage(climax) of a succession will depend on: (2) The animals present (2) Migration of animals(3) The types of plants (4) Environmental condition

8. Which of the following choice contains decomposers?(1) Bacteria, termite (2)Fungi, algae (3)Ants, worms

(4)Bacteria, beetles

9. Which of the following is NOT a green plant?(1) Cuscuta (2)Loranthus (3)Nepenthes

(4)Orchid

10.Select the INCORRECT statement.(1) Man becomes a ‘host’ to mosquitoes when they suck blood from his body.(2) Perennation can be seen the autumn when most of the plants shed their leaves.(3) Paddy bug is a herbivore who lives in paddy fields(4) Destruction of Phytoplanktons does not affect the global warming issue.

Following picture shows a food web that can be seen in an aquatic environment. Look at the picture and answer the given questions.


1. What is the type of energy used to produce food by green plants in a food web? …………………………………..

2. What is the above process called?…………………………………..

3. Here the food producers in the pond are known as ‘diatoms’. What is the common name we can give to them? ……………………………………

4. Name two 1st consumers in


6. Here the crane consumes both small fish and plant parts (diatoms). What are these types of animals called?…………………………………………………….

7. Complete the given food chains by looking at the picture. Circle the 3rd link of each chain.Algae(green plant) ………………. Crane

Grass Cricket ……………….. Snake ………………….

8. Here the duck and frog also eats plant parts (diatoms/ algae). Show these two interactions using arrows in the given picture.

9. Why does a food chain always start with a green plant? Give one reason.………………………………………………………………………………………………………………………

10.Fish show hibernation in dry periods. Describe another example of hibernation.………………………………………………………………………………………………………………………

11.Name two characteristics of the above given environment.……………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………….

GRADE 07- SCIENCE 1 ST TERM EXAMINATION

Answer ALL the questions. Answer Part 1 in the paper itself and Part 2 in a separate paper.

1. Factors needed for Photosynthesis are,(1) Water, sunlight and Carbon dioxide (2) Water, Oxygen and sunlight(2) Sunlight, food and Carbon dioxide (4) Salt, minerals and Oxygen

2. Which is the total parasite?(1) Vanilla (2) Cuscuta (3) Loranthus (4) Nepenthes


1. What is the type of energy used to produce food by green plants in a food web? …………………………………..

2. What is the above process called?…………………………………..

3. Here the food producers in the pond are known as ‘diatoms’. What is the common name we can give to them? ……………………………………

4. Name two 1st consumers in


3. Which living beings are known as the ‘pioneers’ of an environmental succession?(2) Moss (2) Bacteria (3) Human (4) Lichens

4. The longest part of our digestive system is,(2) Large intestine (2) Small intestine (3) Stomach (4) Trachea

5. Which of the following is NOT an excretory organ?

6. Which one is a Vector quantity?(1) Mass (2) Volume (3) Force (4) Density

7. SI unit of measuring Speed is,(1) MS-1 (2) M/S (3) Ms-1 (4)

m/s

8. Mass of an object is 4500 kgs. If it’s volume is 5m3, what is the density of that object? (1) 900kgm-3 (2) 9000kgm-3 (3) 22 500kgm-3 (4)

9kgm-3


10.The female gametes(egg cells) are produced in,(1) Testes (2) Ovaries (3) Uterus (4) Penis

Answer the questions 11-13 using the given food chain in a paddy field.

Paddy plant Paddy bug Frog Snake Hawk

11.Who is the producer of this food chain?(1) Paddy bug (2)Paddy plant (3) Frog (4)

Hawk

12.Who is the herbivore in the above food chain?(1) Paddy bug (2)Paddy plant (3) Snake (4) Hawk

13.Who is the 3rd consumer? (1) Paddy bug (2) Paddy plant (3) Snake (4) Hawk

14.An animal that does not migrate is, (1) Whale (2) Salmon fish (3) Lizard (4) Indian Pitta

15.Choose the animal group containing only decomposers.



(1) Bacteria, fungi and ants (2) Fungi, termites and bacteria(3) Snails, crickets and bacteria (4) Worms, frogs and snails

16.Which is NOT a periodical phenomenon?(1) Earth revolving around the sun (2) A pendulum swaying up and

down.(2) A mango falling from a tree (4) A wheel rotating around its axis.

17.The table below shows the speeds of two racing cars that participated in a World Championship racing game.

CAR SPEED

McLaren F1 400 km/h

Porsche 911 600 km/hIf the McLaren F1 was driven for 2.5 hours in the whole race, what was the total distance of the car race?

(1) 800 km (2) 1200km (3) 160km (4) 1000km

18.Select the CORRECT statement about animal body.(1) It can be divided three main parts as head, neck and abdomen(2) Phloem tissue is responsible for conducting food in the plant body.(3) Expiratory gases are purified and moisturized in the nasal cavity(4) An organ is a group cells specialized to perform a special function.

19.The diagram shows two blood vessels and the heart; choose the answer with the correct order of their names from A to C.(1) Heart, artery, vein (2) Artery, vein, heart(2) Vein, heart, artery (4) Artery, heart, vein

20.Three samples of rubber latex taken from three rubber estates were tested for their quality using a Hydrometer. Observe the three diagrams and choose the answer with the three samples arranged in the Ascending order of their densities.

(1) A< B< C(2) B< A< C(3) C< B< A(4) A = B = C

PART 21. Recall the day you made the model shown below in your classroom or at

home as a practical activity.



(a)i. What is the human body system represented by the model?ii. Name two things you used to make the model.iii. Action of what structure is tested here?iv. Name the structure represented by ‘S’.v. What is the body cavity represented by the empty space of the bottle(‘T’) ?vi. Name the organs denoted by ‘R’.vii. Briefly explain how this equipment works.

(a) Identify the body system shown in the picture.ii. Name the organs A to D.iii. Mention the function of ‘D’.iv. Fill in the blanks of the following table about our excretory organs and

substances.

Excretory Organ Excretory Substance

Kidney …………………………………….

………………………………………….

Carbon dioxide

Skin ……………………………………

v. Write a function each of the following human organs.A. LarynxB. Fallopian tubeC. Penis

2. (a) Identify and write down the names of the following laboratory equipments.

ii. Give one use of ‘B’.iii. ‘Hydrometer’ is another equipment used in laboratories; what is the main use of

a hydrometer?iv. Briefly explain how you can find the density of a small glass stopper using ‘A’, ‘C’

and a piece of thread.v. Name another equipment you can use instead of ‘A’.

(b) Grandpa’s clock at Anjelo’s house performs 90 oscillations per one minute.



i) Name another periodical phenomenon you know.ii) Find the rate of oscillation of the pendulum in grandpa’s clock.(in oscillations per

second)

3. Observe the following food web and answer the given questions.

i. Who is the producer of the food web?ii. Why can’t an animal be a producer of a food chain?iii. Name 2 predators in the food web.iv. Mention two omnivores in the web.

(b) Write down a simple food chain in a forest.

(c) Transpiration is an important process in plants.I. What is the structure in plant leaves that releases out water vapour in

transpiration?II. Name one adaptation of xerophytes plants to reduce transpiration. III. Plants show perinnation in difficult situations. Describe one such occasion.IV. What is the tissue responsible for transport water in the plant body?V. Name one plant which has aerial roots. (rhizophores)

(d) ‘Covered with salty soil, lot of sunlight. Plants like ipomea are present.’

i. Name the environment described above.ii. Choose and write the plants which live on trees in your answer sheet.

Orchid, Sonneratia, Drosera, Mangrove

iii. Plants are good barriers that prevent soil erosion.(1) Name the two main factors that cause soil erosion.(2) Mention 2 things that you can do to minimize soil erosion.




SCIENCE AND MATHS exam papers for beginners

Documents

following time

following number line

b c d e f

following numbers

following table

following angles

following diagram

water clock