Matter and Materials Flashcards

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1
Q

What are the three states of matter?

A

Solid, liquid, gas.

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2
Q

Define matter

A

Everything around us that takes up space & has mass

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3
Q

Describe the differences between the 3 states of matter in terms of their shape

A

Solid: fixed.
Liquid: not fixed.
Gas: takes up space, but doesn’t have shape

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4
Q

Describe the differences between the 3 states of matter in terms of how they change their shape

A

Solid: changes shape by force.
Liquid: takes the shape of the container it is in eg milk in a glass.
Gas: moves around freely, spreads into open spaces.

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5
Q

Can you see some gases?

A

Yes

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6
Q

Can you smell gas?

A

Sometimes. Do an experiment to prove this by farting

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7
Q

What happens when you melt something?

A

Changes solid to liquid

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8
Q

What have you melted in your life before? Have you ever melted something you weren’t supposed to?

A

Examples: butter (over popcorn)cheese (on toasted cheese) candle wax
Ice cream

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9
Q

What is evaporation? Give some examples

A

Change from liquid to gas.
Water in a pool or dam
Drying clothes/dishes

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10
Q

What does water turn into when you heat it?

A

Water vapor

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11
Q

What is Condensation? Give examples

A

Gas changing to liquid
Dew on grass
Water in windscreen of car
Steam from kettle

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12
Q

Give example of something solidifying?

A

Solidify: Liquid to solid. Eg. Ice

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13
Q

Describe water cycle

A

Clouds: condensation leads to rain (precipitation)
Snow melts -> rivers
Ocean water evaporates in sun -> into clouds

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14
Q

What is precipitation in the context of weather?

A

Water falling from the sky

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15
Q

Give some examples of raw materials, & things you can make from them

A

Coal: used for fuel eg fire
Sand: glass
Clay: pottery, floor (ceramic) tiles
Coal & oil: plastic things

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16
Q

What properties of wet clay make it good for turning into different ceramic objects?

A

Soft & malleable

17
Q

What’s the difference between malleable & brittle

A

Malleable: shaped easily
Brittle: breaks easily

18
Q

How would you unsolidify something? What would you call that?

A

Heat it up eg ice, ice cream.

Melting

19
Q

Describe the solid state.

A

A solid has a fixed shape that cannot change easily except by force.

20
Q

Describe the liquid state.

A

A liquid doesn’t have a fixed shape but takes on the shape of the container. Liquids can flow.

21
Q

Describe the gaseous state.

A

A gas moves around freely and fills the space or closed container.

22
Q

What gases is air made up of?

A

Mostly nitrogen and oxygen gas.

23
Q

Define ‘matter’

A

Matter is everything that takes up space and has mass.

24
Q

Define ‘mass’

A

Mass is the amount of material in an object.

25
Q

Describe the change during melting.

A

From solid to liquid.

26
Q

Describe the change during evaporation.

A

From liquid to gas.

27
Q

Describe the change during condensation.

A

From gas to liquid.

28
Q

Describe the change during solidifying.

A

From liquid to solid.

29
Q

What raw material is used to make glass?

A

Sand.

30
Q

What raw material is used to make ceramics?

A

Clay.

31
Q

Explain the word ‘malleable’

A

It means that something can be easily shaped.

32
Q

What are the raw materials used to make plastics, paints and fabrics?

A

Coal and oil.

33
Q

What are raw materials?

A

Naturally occurring materials like wood, clay, oil etc.

34
Q

What are manufactured materials?

A

Products made from natural materials.