Thursday, 5 March 2015

Answers for Science Process Skills

Answers for Science Process Skills 

Worksheet 8

(1) seed (2) seed coat; roots (3) shoot  (4) leaves; seedling (5) sunlight; water; air
(6) flowers  (7) fruit (s)

Worksheet 9
1. eggs; seeds
2. seedling; duckling
3. seedleaves; yolk
4. seedling; duckling
5. adult

Worksheet 10
1. mass, space, states
2. solid
3.liquid
4. shape
5. volume
6. shape
7. volume
8. marble, stone, apple etc
9. milk, oil, honey, soup etc.
10. oxygen, carbon dioxide, water vapour, nitrogen etc

Worksheet 11
1. E is hard, has a definite volume and a definite shape.
2. Jelly or beancurd. Jelly is a solid as it has a definite shape and volume.
3. Matter G has definite volume and Matter H does not.
4. Oxygen or nitrogen
5. Both have a definite volume.

Worksheet 12
1. The marbles occupy space. They have a definite volume.
2. Water occupies space. It has a definite volume.

Worksheet 13
1. Matter A has a definite volume but no definite shape.
2. Matter A takes the shape of the container but Matter B retains its own shape. OR Matter A has no definite shape but Matter B has.
3. Both have no definite shape OR both take the shape of the container.

A: State- Liquid; Example -Water or oil
B: Solid: Wood; Example - Ice or wood
C: Gas; Example- Oxygen


Worksheet 15
1a) gas
b) liquid
c) solid
2a) U
b) The water will overflow.
c) Air can be compressed but water cannot be compressed.

Worksheet 16
1. The bubbles contain air.
2. The water will enter the funnel and force the air into the plastic tube. The air leaves the tube and enters the beaker of water as bubbles.
3. It takes the shape of the plastic tube.
4. It takes the shape of the container. OR It can be compressed.

Worksheet 17
1. (1)
2. (3)
3. (4)
4. (2)
5. (2)
6. (3)
7. (3)
8. (3)
9. (2)
10. (4)