ST. XAVIER’S SCHOOLS-CHANDIGARH, PANCHKULA, MOHALI, ZIRAKPUR CLASS- 6 ENGLISH WORKSHEET-10 Past Tense (Perfect and Perfect Continuous) Past Perfect Tense The past perfect tense shows an action completed at some point in the past before another action began. Example: The flight had landed when I reached the airport. Form of Past Perfect Tense In affirmative sentences, we write: had + past participle form of the verb. She had left for the day. In negative sentences, ‘not’ is inserted after the first part of the verb. We write: had + not + past participle form of the verb. The flight had not landed when you reached the airport. In interrogative sentences, the first part of the verb is put before the subject. Had the flight landed when you reached the airport? Short forms may also be used in interrogative sentences. Why hadn’t he come? EXERCISE: 1 Rewrite the following sentences in the past perfect tense. 1. The flight___________ when the announcement was made. (land) 2. Sagarika____________ the house when I reached her place. (leave) 3. The compere___________ the arrival of the chief guest before the confusion started. (announce) 4. The old man___________ in an application for a new telephone connection before he went on a holiday. (put) Read the table given here to understand the use of verb ‘sing’ in various forms of past tense. Simple Past Tense Past Continuous Tense Past Perfect Tense I sang. I was singing. I had sung. You sang. You were singing. You had sung. We sang. We were singing. We had sung. She sang. She was singing. She had sung. They sang. They were singing. They had sung.
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ST. XAVIER’S SCHOOLS-CHANDIGARH, PANCHKULA, MOHALI, ZIRAKPUR
CLASS- 6
ENGLISH WORKSHEET-10
Past Tense (Perfect and Perfect Continuous)
Past Perfect Tense
The past perfect tense shows an action completed at some point in the past before another
action began.
Example:
The flight had landed when I reached the airport.
Form of Past Perfect Tense
In affirmative sentences, we write: had + past participle form of the verb.
She had left for the day.
In negative sentences, ‘not’ is inserted after the first part of the verb. We write: had + not
+ past participle form of the verb.
The flight had not landed when you reached the airport.
In interrogative sentences, the first part of the verb is put before the subject.
Had the flight landed when you reached the airport?
Short forms may also be used in interrogative sentences.
Why hadn’t he come?
EXERCISE: 1
Rewrite the following sentences in the past perfect tense.
1. The flight___________ when the announcement was made. (land)
2. Sagarika____________ the house when I reached her place. (leave)
3. The compere___________ the arrival of the chief guest before the confusion started.
(announce)
4. The old man___________ in an application for a new telephone connection before he
went on a holiday. (put)
Read the table given here to understand the use of verb ‘sing’ in various forms of past
tense.
Simple Past Tense Past Continuous Tense Past Perfect Tense
I sang. I was singing. I had sung.
You sang. You were singing. You had sung.
We sang. We were singing. We had sung.
She sang. She was singing. She had sung.
They sang. They were singing. They had sung.
Past Perfect Continuous Tense
The past perfect continuous tense is used to report an action or event that occurred before
a certain point in the past, the effects of which are still visible when we refer to past.
The girl had been flying kites since childhood.
The mountaineer had been trying to climb the mountain since last year.
EXERCISE: 2
Read the following sentences carefully and state the tense form of the verbs in bold.
1. The boy walked up the slope.
2. The girls were hurrying back home after school.
3. The domestic help had cooked food by evening last night.
4. The cuckoo flew over the nest.
5. The stranger smiled at the little boy.
6. Boys had carried their bags to school before they left for sight seeing.
7. Grandma had accompanied me to my friend’s house.
EXERCISE: 3
Fill the blanks with the appropriate form of verbs according to the tenses mentioned in the
brackets.
1. The boys _________ (go) on a holiday with their parents when the car got a flat tyre.
(past continuous)
2. The train__________ (arrive) when they reached the station. (past perfect)
3. The policemen__________ (catch) the dacoits. (simple past)
4. My aunt______________ (bake) a cake when I called her up. (past continuous)
5. Radhika_____________ (collect) shells before she went for a swim. ( past perfect)
6. Women at the gate __________ (shout) when the pickpocket was being chased. (past
continuous)
7. Sunil’s family _____________ (live) in Goa till last year. (simple past)
8. The man _____________ (drive) to the hill station before he fell ill. (past perfect)
9. His hard work __________ (bear) fruit and he passed the exams with flying colours.
(simple past)
EXERCISE: 4
Rewrite the following sentences in the negative and interrogative forms.
1. Rohan went to school yesterday.
2. The girls carried their water bottles to school.
3. He went to the park for a walk.
4. The capseller rested under the tree.
5. He knew the definition.
The answer key of worksheet-10 will be uploaded with worksheet-11
ANSWER KEY OF WORKSHEET-9
EXERCISE: 1
Fill in the blanks with the simple past tense form of the verbs given in brackets.
1. began 2. flew
3. spoke 4. rolled
EXERCISE: 2
Rewrite these sentences in the negative and interrogative forms.
1. He did not give an enlightening speech.
Did he give an enlightening speech?
2. My father did not sleep soundly.
Did my father sleep soundly?
3. He did not write a one-act play.
Did he write a one-act play?
4. The men did not enjoy the party.
Did the men enjoy the party?
EXERCISE: 3
Fill in the blanks with the correct form of verbs given in brackets in the past continuous tense.
1. were working 2. were chirping
3. were sleeping 4. were sailing
EXERCISE: 4
Rewrite the following sentences in the negative and interrogative forms.
1. Mona was not writing a letter to her brother.
Was Mona writing a letter to her brother?
2. He was not talking to his friend.
Was he talking to his friend?
3. The girl was not sleeping on the sofa.
Was the girl sleeping on the sofa?
CLASS – 6 S.ST WORKSHEET - 10 (GEOGRAPHY)
CHAPTER-1
Ptolemy -Once the Earth was thought to be the centre of the Universe with the other
celestial objects moving around it. This idea is the Ptolemic view, named after
Claudius Ptolemy, an Egyptian. In The 2nd century A.D, he brought together the
astronomical ideas of the ancient Greek world in his work, the, Almagest. This was
the first book which contained the idea of latitude and longitude.
Claudius Ptolemy
GEOGRAPHICAL FEATURES -
River - A river is a body of flowing water.
Meander - A meander is a winding curve in a river formed as a result
depositional and erosional processes.
Tributaries - A tributary is a smaller river or stream that joins a large
river.
Distributary - It is a river or a stream which flows away from a large river.
Delta - A triangular piece of land that develops at the mouth of a river by the
deposition of sediments.
FOLDING- Folding is a process that produces folds or bends in rock. Folding
is caused by great compressional (sideways) forces acting on layers of rocks in
the earth’s crust.
-
As a result of folding certain parts of the rocks are bent upwards while the others
are bent downwards. The up folds in the rocks are called anticlines and down folds
are called synclines.
CONTOUR LINES
Lines of equal value are drawn to show height of places. Such lines which join places
of the same height are called contour lines.
CONVENTIONAL SIGNS AND SYMBOLS -
EXERCISE
(Please refer to S.ST WORKSHEET-2(GEOGRAPHY) AND THIS WORKSHEET
to find answers of the following exercises)
A. ANSWER THE FOLLOWING QUESTIONS IN BRIEF:
1. Define map.
2. Write any three basic elements of a map.
3. Which colour would you use to show the following on a map:
a) Mountains b) Lesser depth of water.
4. What is a compass?
5. A map is not an accurate representation of the earth. Justify.
6. Define scale.
7. What is the difference between a map and a sketch?
8. Name the four cardinal points.
9. What is cartography?
10. Who was Ptolemy?
11. What are conventional signs?
12. What is the importance of grid system?
13. What are the major types of maps? Explain.
B. DEFINE:
a) Delta b) Tributary c) Distributary d) Anticline e) Syncline f) River
C. MARK TRUE (T) OR FALSE (F) AGAINST THE STATEMENTS
GIVEN BELOW:
1. A sketch is drawn exactly to scale.
2. A plan is a large scale map.
3. The north is shown on the right hand side of a map.
4. Scale of the map helps in measuring the actual distances between
various places shown on the map.
5. Maps are sometimes drawn without a scale.
6. A map can show even a small part of the earth.
E. GIVE A SINGLE TERM FOR EACH OF THE FOLLOWING:
1. A model of the earth on small size.
2. Lines on the maps showing height of places above the sea level.
3. A map showing the boundaries of countries and states.
4. A map on a very large scale.
5. A rough drawing not drawn to scale.
F. SELECT THE CORRECT ANSWER FROM THOSE GIVEN BELOW EACH
OF THE STATEMENT:
1. Which of the following is a true representation of the Earth as a whole?
a) Globe b) Map
c) Sketch d) Plan
2. Which of the following is not made to scale?
a) Globe b) Map
c) Plan d) sketch
3. What is shown with the help of contour lines on maps?
a) Height b) Temperature
c) Pressure d) Rainfall
4. Which of the following will have the largest scale?
a) A city guide map b) A world map
c) Map of India d) A globe
5. The map showing the boundaries and areas of different countries and states is
1.The members of the Gram Panchayat are elected by the Gram Sabha.
2.The panchayat at the block level is called Block Samiti. States with a
population of more than 20 lakh have it.
3.The Zila Parishad supervises the work of the Block Samitis and Gram
Panchayats under it.
Exercise B
1. a) Every villager above the age of 18, whose name is on the voter’s list is a
member of the Gram Sabha.
b) The Gram Sabha reviews the work and accounts of the Gram Panchayat. It can
also remove corrupt or inefficient members of the Gram Panchayat. In this way, the
Gram Sabha allows all adult villagers a say in the decisions that affect them.
2. The Gram Panchayat looks after agriculture, small industries, irrigation,
drinking-water supply, housing, education, health care, and roads and bridges. It
records births and deaths. It may also set up markets, organise fairs and sporting
activities, and maintain radio and TV sets for the community.
3. Composition of Nyaya Panchayat –
The Nyaya Panchayat is the village court. Its members are called panch, and it is
headed by a sarpanch. The members are elected by the Gram Sabha.
Functions of the Nyaya Panchayat –
The Nyaya Panchayat hears and decides minor cases. It can fine and punish the
guilty within certain limits. It helps villagers to get speedy justice at very little cost.
Fill Ups :
1.Nyaya Panchayat
2.Gram Sabha
**********************************
SUBJECT : PHYSICS CLASS : VI TOPIC : MEASUREMENT
Read the following content and answer the questions given below :
TEMPERATURE : It is the quantity which measures the hotness or coldness of a body. When a body is heated, its temperature rises and when it is cooled, its temperature falls.
Its S.I. unit is Kelvin (K).
Measurement of temperature:
1.Thermometer – The temperature of a body is measured by using a device called thermometer. A thermometer works on the thermal expansion of liquids.
A thermometer has two standard markings on its glass tube.
1. Lower fixed point( ice point) : It indicates the temperature at which the ice melts.
2. Upper fixed point(steam point) : It indicates the temperature at which the water boils.
2. Laboratory thermometer- It is used for measuring the temperature in science
laboratory. It consists of a glass capillary tube with bulb at one end. The bulb is filled with mercury.
It can measure temperature in the range from -10 OC to 110 OC.
3. Clinical thermometer: It is used to measure the temperature of human body.It can measure temperature in the range from 35 OC to 42 OC.
The normal temperature of a human body is 37 OC. The temperature above 37 OC indicates that a person is having fever
Scales of temperature
1. The Celsius scale : On this scale, ice point = 0OC
steam point = 100OC
The interval between ice point and the steam point = 100 – 0 = 100.
Each division is called one degree Celsius and is written OC
2. The Fahrenheit scale : On this scale, ice point = 32 OF
steam point = 212 OF
The interval between ice point and the steam point = 212 – 32 = 180.
Each division is called one degree Fahrenheit and is written OF.
3. The Kelvin scale: On this scale, ice point = 273K
steam point = 373K
The interval between ice point and the steam point = 373 – 273 = 100.
Each division is called one Kelvin and is written K.
Precautions to be followed while using a clinical thermometer:
The thermometer should be washed before and after use, preferably with an
antiseptic solution.
Jerk the thermometer, to bring the level of mercury down before using.
Never hold thermometer by its bulb.
Mercury is really poisonous. Hence, never break it with your teeth.
Do not place the thermometer in a hot flame or in the hot sun.
Clinical thermometer should not be washed with boiling water because mercury
will expand to great extent and since the available space is less it will result in breaking of thermometer.
Accuracy in measurement: Accuracy is closeness of the measurement to a specific
measurement. Mostly we use approximation in the measurement like adding sugar to tea
etc. but in some case we have to make accurate measurements like tailor always takes accurate measurement; otherwise the clothes may not fit properly.
Average measurement :The measurement can be made more accurate by taking the
measurement again and again. Now, add all these measurements. Divide it by total number of measurements. It will give the average measurement.
Average measurement = Sum of all the measurements
_________________________
Total number of measurements
Questions:
1. Fill in the blanks:
a) We use a __________ for measuring the temperature.
b) In a thermometer, the commonly used liquid is ____________.
2. Define temperature. Give its S.I. unit.
3. Write down the body temperature of a healthy person.
4. Differentiate between clinical thermometer and laboratory thermometer.
5. State the three units of temperature.
6. State the temperature of the ice point and steam point on the Kelvin scale.
7. Why should a clinical thermometer not be put in hot water?