Test 2: April 2016 Flashcards

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1
Q

Name 3 substances

A

Solid, liquid, gas

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2
Q

Explain Solids

A

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

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3
Q

Explain Liquid

A

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

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4
Q

Explain gas

A

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

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5
Q

Name 3 solids

A
Frozen water - ice
Watch
Jewellery
Crayon
Wood
Ruler
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6
Q

Name 3 liquids

A

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

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7
Q

Name some gases

A
Cooking gas
Steam
Smoke
Mist
Air
Oxygen
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8
Q

Name water as a solid, liquid, gas

A

Solid - ice
liquid - water
gas - water vapour

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9
Q

What is evaporation

A

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

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10
Q

What is condensation

A

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

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11
Q

Name the process when water changes into a gas

A

Evaporation

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12
Q

Name the process when water vapour changes into a cloud

A

Condensation

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13
Q

Name the process when rain changes into a solid

A

Solidifying

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14
Q

Where does evaporation take place

A

surface of water when heated

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15
Q

Clay is manufactured into

A

ceramics like cups

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16
Q

Oil is manufactured into

A

Plastic like toys and tyres

17
Q

Wood is manufactured into

A

Paper, desks

18
Q

Sand is manufactured into

A

Glass

19
Q

Plant fibre is manufactured into

A

clothing and fabric

20
Q

Wool from sheep is manufactured into

A

Jerseys and carpets

21
Q

Cow hyde is manufactured into

A

Leather shoes, bags

22
Q

Name the properties of sand

A

Soft
Absorbent
Heavy

23
Q

Name the properties of Latex

A

Soft
liquid
sticky

24
Q

Name the properties of clay

A

soft
heavy
malleable

25
Q

Name the properties of skins

A

soft
waterproof
malleable

26
Q

Name the properties of wool

A

soft
flexible
absorbent

27
Q

Name the properties of glass

A

hard
breakable
transparent
waterproof

28
Q

Name the properties of rubber

A

flexible

waterproof

29
Q

Name the properties of leather

A

waterproof
flexible
strong

30
Q

Name the properties of fabric

A

flexible
soft
light
absorbent

31
Q

Name 3 types of structures

A

Shell structure
Solid structure
Frame structure

32
Q

Name 3 frame structures

A

bicycle
umbrella
bridge
tower

33
Q

What is indigenous

A

Somebody or something that is found naturally

34
Q

name and explain the house a san person made

A

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

35
Q

name and explain the house a zulu person made

A

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

36
Q

Name and explain a xhosa hut

A

Strong frame with mud, grass and rocks. Mud floor