Test 2: April 2016

Question 1

Name 3 substances

Answer 1

Solid, liquid, gas

Question 2

Explain Solids

Answer 2

We can touch it
We can feel if it is hard or soft
Does not change shape

Question 3

Explain Liquid

Answer 3

Liquid flows
Takes on the shape of its container
Most of the earth is covered in water, flows in rivers or falls as rain
Can stay in an open container

Question 4

Explain gas

Answer 4

Gas does not have a definitive shape
Spreads to fill the space it is in
Air is invisible and we need it to breathe
Cannot stay in an open container

Question 5

Name 3 solids

Answer 5

Frozen water - ice
Watch
Jewellery
Crayon
Wood
Ruler

Question 6

Name 3 liquids

Answer 6

Juice
Milk
Water - most of the earth is covered in water, flows in rivers and falls as rain
blood

Question 7

Name some gases

Answer 7

Cooking gas
Steam
Smoke
Mist
Air
Oxygen

Question 8

Name water as a solid, liquid, gas

Answer 8

Solid - ice
liquid - water
gas - water vapour

Question 9

What is evaporation

Answer 9

When liquid is heated and starts to rise and turns to gas
example:
water turns to water vapour
WATER TURNS TO GAS

Question 10

What is condensation

Answer 10

When gas is cooled and turns to liquid
example
gas (water vapor) is cooled and turns into water - a cloud

Question 11

Name the process when water changes into a gas

Answer 11

Evaporation

Question 12

Name the process when water vapour changes into a cloud

Answer 12

Condensation

Question 13

Name the process when rain changes into a solid

Answer 13

Solidifying

Question 14

Where does evaporation take place

Answer 14

surface of water when heated

Question 15

Clay is manufactured into

Answer 15

ceramics like cups

Question 16

Oil is manufactured into

Answer 16

Plastic like toys and tyres

Question 17

Wood is manufactured into

Answer 17

Paper, desks

Question 18

Sand is manufactured into

Answer 18

Glass

Question 19

Plant fibre is manufactured into

Answer 19

clothing and fabric

Question 20

Wool from sheep is manufactured into

Answer 20

Jerseys and carpets

Question 21

Cow hyde is manufactured into

Answer 21

Leather shoes, bags

Question 22

Name the properties of sand

Answer 22

Soft
Absorbent
Heavy

Question 23

Name the properties of Latex

Answer 23

Soft
liquid
sticky

Question 24

Name the properties of clay

Answer 24

soft
heavy
malleable

Question 25

Name the properties of skins

Answer 25

soft waterproof malleable

Question 26

Name the properties of wool

Answer 26

soft flexible absorbent

Question 27

Name the properties of glass

Answer 27

hard breakable transparent waterproof

Question 28

Name the properties of rubber

Answer 28

flexible | waterproof

Question 29

Name the properties of leather

Answer 29

waterproof flexible strong

Question 30

Name the properties of fabric

Answer 30

flexible soft light absorbent

Question 31

Name 3 types of structures

Answer 31

Shell structure Solid structure Frame structure

Question 32

Name 3 frame structures

Answer 32

bicycle umbrella bridge tower

Question 33

What is indigenous

Answer 33

Somebody or something that is found naturally

Question 34

name and explain the house a san person made

Answer 34

The move so often that the house does not need to be strong. Made the frame and covered materials in the area Called a hut

Question 35

name and explain the house a zulu person made

Answer 35

Make the frame into a dome shape. They weave sticks and use mud to hold it together . Cover frame with grass. Name Rondavel

Question 36

Name and explain a xhosa hut

Answer 36

Strong frame with mud, grass and rocks. Mud floor