REVISION OF SCIENCE - WATER SYCLE

REVISION OF SCIENCEI.. Fill in the blank with a suitable word from the box gases particles move shape solid runny tiny gas solid invisible around level container Every material is made u

REVISION OF SCIENCE

I Changes of states

1. boiling : liquid → gas

2. condensation : gas → liquid

3. evaporation : liquid → gas

4. freezing : solid → liquid

II Fill in the blank with a suitable word from the box

gases particles move shape solid runny tiny gas solid invisible around level container

Every material is made up of lots of (1) particles All materials are either solid Liquid or a (2) In a

(3) all the particles are packed tightly together and can hardly move A solid stays in its own (4) unless we cut it

oe shape it ourselves Anything you can take hold of is a

(5) The (6) in a liquid are not so

tightly packed They can (7) a little Liquids are (8)

and flow downwards They take the shape of the

(9) they are in the surface of a liquid stays

(10) The particles in (11) have lots of rooms and move around all over the place all the time Gases are all

(12) us spreading into any empty space they can Most gases are (12)

1. tiny

2. gas

3. solid

4. shape

5. solid

6. particles

8. runny

9. container

10. level

11. gases

12. around

13. invisible

III Vertebrates (with backbones) & invertebrates (without backborns)