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If you were to grow some new seeds from a packet, you would need toprovide at least three things for them to germinate. List three suitableconditions for growth.
3
Kate waters her plants regularly and knows that they need light in orderto grow. She places two of her plants on the windowsill and two on a tablein her living room. She is surprised to find that those on the windowsillare growing less well on the windowsill, even though they get more lightand the same amount of water as the plants in the room. Give two possiblereasons for this.
4
Label this diagram with the parts of a flowering plant.
In order to be healthy you need to eat a balanced diet. There are four mainfood groups and each of these helps your body to be healthy in a particularway. You should also know a few examples of foods in each group.Complete the table below to name the food groups, what they do for yourbody and to give some examples.
2
There are two types of carbohydrate. Explain the differences between them.
3
If you take in more energy in your food than you use, what happens tothis extra energy?
NAME OF FOOD HOW THIS FOOD GROUP EXAMPLES OF FOODGROUP HELPS ME TO STAY IN THIS GROUP
STAY HEALTHY
vitaminsand minerals
carbohydrates
fats
helps my body to growand repair itself bymaking new cells
If you eat too much of one type of food, you can have problems. There arealso problems if you do not live a healthy life. Give a problem that mightbe caused by:
5
Explain how doing these things might not just harm the person taking thedrug but also others.
a) smoking cigarettes
b) drinking alcohol
6
To stay healthy we need to keep our teeth clean.
Teeth help us to ______________ our food which makes
it easier to ______________ and ________________ .
When we eat foods, especially those that contain sugar,
________________ is created on our teeth. This not only damages our teeth
but provides an excellent home for bacteria to breed and damage our teeth.
We call bacteria and food remains ________________ .
Calcium strengthens bones and teeth. Calcium can be found in dairy products.
Draw a graph of a boy who gets upin the morning. He spends 10 minuteslying in bed. Over the next ten minutesgets washed and dressed. He is veryforgetful and spends the next tenminutes running up and down thestairs to find his uniform, school booksand then he sits down to eat hisbreakfast for ten minutes.
b) your pulse
6
Say what happens to your pulse and why when you do the following:
a) exercise
b) sleep
8
In answering the above question, a set of pupils in a class drew the followinggraphs. Turn over and criticise what they have done on each graph.
Name the only two common materials that are magnetic.
10
Write true or false to the following statements. Most metals are what?
conductors ___________________
shiny ___________________
bendy ___________________
magnetic ___________________
hard ___________________
11
How would you separate different sizes of gravel from the side of the schoolpond, or different sized grains of soil?
12
A boy takes half an egg cup full of water and finds that it takes fourteaspoons of sugar to make a saturated solution. He then assumes that itwill also take four teaspoons of salt or four of chalk. Is he correct?
13
Would you use chalk rocks to build a shopping centre? Explain your answerand suggest a more suitable type of rock.
CAN YOU REMEMBER... ABOUT SOLIDS, LIQUIDS & GASES?
13Name: _____________________________
1
Substances can exist as solids, liquids or gases. Complete this table toshow the properties of each state. Write ‘Yes’ or ‘No’ in the appropriatepart of the table.
2
Write the names of the following changes of state:
solid to liquid
liquid to gas
liquid to solid
gas to liquid
3
Describe what process has taken place if:
a cold milk bottle gets water droplets on the outside.
bathroom tiles get covered in water droplets.
clothes dry on a windy day.
a molten piece of solder cools on a heatproof mat.
CAN YOU REMEMBER... ABOUT SOLIDS, LIQUIDS & GASES?
14Name: _____________________________
4
When you heat things they may burn, change state or split apart. Saywhich of these changes listed below are permanent (irreversible) and whichare temporary (reversible).
5
The water from the sea is ____________________ due to heat from the
____________________ . This ____________________ then rises into the air
where it cools and ____________________ to form ____________________ .
A cloud is made of tiny droplets of water, so clouds are not water vapour,
they are ____________________ . When droplets join together and become
too heavy, they fall to the ground as ____________________ .
6
Simon put 100ml of water into a jug. Ann put 100ml of water into a widebowl. Frances put 100ml of water into a plastic bottle and put the lid on.They put them all on the windowsill in the classroom for 24 hours. Thistable shows the amount of water left.
Explain the results.
What happened to the water that disappeared from the containers?
CONTAINER WATER LEFT
bottle with lid
tall jug
wide bowl
100ml
60ml
25ml
burning dissolving
decomposing boiling
freezing condensing
sun evaporated clouds vapour condenses water rain liquid
The forces on an object are balanced if the object is __________________ .The forces on an object are unbalanced if the object is
7
A man pushes a supermarkettrolley along the floor. Showwhere friction may occur bylabelling the diagram.
9
A boat is floating in the pond.Are the upward and downward forces balanced or unbalanced?
___________________________
10
In this situation, a girl is stretchinga spring. Show her pull witharrows in BLUE. Show the forceexerted by the spring in RED.
8
Using the rules you have writtenin your answer to question 6above, state whether the forcesare balanced (B) or unbalanced(U) in each of these situations:
• boy stands still on a chair • a decoration hangs on a tree• ball falls from a shelf• tug of war where no one moves• skateboarding down hill• a ball hits a wall• a moving car hits the brakes
or
( )( )( )( )( )( )( )
speeding up smaller slowing down still bigger
resistance weight upthrust
.
Complete the following passage.
The downward force of the boat on the water is called the _________________
and the upward push of the water that keeps the boat afloat is called the
The amount of heat held in an object, we measure as the
____________________ of the object. We measure it in _____
using an instrument we call a ____________________ .
2
What are common mistakes when using a thermometer?List three.
3
A girl measures the temperature of a cup of tea as it cools in a room thatis 20°C. Sketch and label the graph to show how it cools from 90°C.
The cup is polystyrene. The girl puts a snap-on lid onto the cup and putsthe cup inside an identical polystyrene cup. In a different colour, sketchthe graph of how a cup of tea cooling from 90°C will now cool.
Drawing graphs is animportant skill, so isextending them. Predictwhat happens in eachof the following byextending the line.
100
80
60
40
20
0
°Cnewtonstemperaturethermometer
conductors insulators filters
Polystyrene, bubble wrap, cotton wool and foam trap air and so are good
Say whether each of the circuits shown below will light the bulbs or not.
2
Explain why these two circuits will not work.
3
You can dim a bulb either by using a variable resistor which is made forthis purpose or by using a length of material, like resistance wire or a pencillead. These are conductors but they don’t allow the electricity to flow aswell. Are the following statements true or false?
THE LONGER THE LENGTH OF WIRE, THE DIMMER THE BULB. ____________
THE THINNER THE LENGTH OF WIRE, THE DIMMER THE BULB. ____________
4
Draw a circuit diagram for each of these arrangements.
The Earth spins on its ____________________ every ____________________ .
The Moon ____________________ the Earth every ____________________ .
The Earth orbits the ____________________ every ____________________ .
2
What shape are the Earth, Sun and Moon?
3
sun axis 28 days day orbits 14 days 365 days
The sun’s position is shownat noon on a summer’s day.
Draw the sun at 8am on the same summer’s day. Label it A.Draw the sun at 2pm on the same summer’s day. Label it B.Draw in the sun at noon on a winter’s day. Label it C.
4
Circle the correct answers.1. On a sunny summer’s day, when would the longest shadow be seen?BEFORE DAWN / AT 9AM / AT NOON / AT 5PM
2.When would the shortest shadow be seen?BEFORE DAWN / BEFORE MIDDAY / AT NOON / AFTER MIDDAY
Explain why the shortest shadow is seen at this time.