Find the mather Match
1. lf you put it in a glass, of course it’s liquid. lf you put it in the fridge it becomes solid. lt’s yellow and sour.

2. lt’s gas.You can smell it but you can’t touch it.
3. lt’s solid but it’s liquid at the same time. lt’s grey.
4. lt’s solid and very hard. lf you hit it your feet will ache.
5. lt has no color and it’s liquid. lf you break it your mum will be angry.

Answers:

1. d 2. e 3. b 4. a 5. c

Activity Exercise

Read the experiment and fill in the blanks ‘with some, any, a / an’

Paper Ship Floating

Answers:

1. a, some 2. a, some 3. A 5. an 8. any, same

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Ex:
Do the experiments at home and write the changes.

1. Air Is Important For Life

What do you need for this experiment?
A glass, a small candle, a small plate for the candle, matches.
1. Light the candle with your match.
2. Put it in the plate.
3. Close the candle with the glass
4. Look at the candle and observe the changes.

2. Lefs Grow Beans

What do you need for this experiment?
A plastic material to put the beans, cotton, some beans, water
1. Put some cotton in the plastic material.
2. Add the beans in it.
3. Put the rest of the cotton on the beans
4. Water them regularly for two days.
5. Look at the beans and observe the changes.

3. Three States Of Water

What do you need for this experiment?
Some water in steel material, fridge, cooker
1. Water is a liquid at first.
2. Put the water in the fridge and wait for a while.
3. Observe the changes.
4. Then put it on the cooker and see what it becomes.
5. Observe the changes.

4. What Color Is The Tulip?

What do you need for this experiment?
A white tulip, blue/red ink, a bowl
1. Put the ink into a bowl
2. Put the tulip in it.
3. Wait for a few days.
4. Observe the changes.

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Read and write the three states of matter.

Water exists in three states: liquid, solid and gas.

When it rains you can see that water is liquid. The molecules are not close and the ties are not strong.

Snow and ice are the solid state of water Water becomes ice below 0°C degree.
Their molecules are very close.

When you heat ice at 100°C degree it becomes gas.

1. Put the water into a fridge then it becomes ……………………….. .
2. Heat the ice at 100°C degree then it becomes ……………………….. .
3. When it evaporates put a glass on it and see that it becomes ……………. .
4. Heat the ice at 50°C degree then it becomes …………………..

Answers:

1. a solid 2. a liquid 3. gas 4. a liquid

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1.

‘……………………………….’
2. Water ……………………… at 0°C
3. …………………….. is in three states on Earth.
4. Carbondioxide is a …………………… .
5.

A thermometer is for showing the
……………………… .

6.

lf you …………………….. ice it becomes water.
7. A table is a ………………… matter.
8. Ayran is a ………………… matter.

Answers:
1. Mercurys 2. freezes 3. Matter 4. gas
5. temperature 6. heat 7. solid 8. liquid

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