P4 MATTER - Science Fun Worldsciencefunworld.weebly.com/uploads/2/2/5/7/22570908/p4...A solid has a...
Transcript of P4 MATTER - Science Fun Worldsciencefunworld.weebly.com/uploads/2/2/5/7/22570908/p4...A solid has a...
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P4MATTER
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What is matter?
anything that has mass and
occupies space.
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Three states of matter
• SOLIDS
• LIQUIDS
• GASES
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SOLID
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A solid has a definite or fixed shape.
• When a solid is placed into a container, it does not take up the shape of the container.
• If you want to change its shape, you have to knock, press or stretch it.
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A solid has a definite or fixed volume.
It cannot be compressed easily
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What about sponge and cotton wool?
They can be squeezed easily into the hole because they are soft and contain lots of air pockets.
Can a plastic box be squeezedinto a small hole?
It has a definite shape and volume and cannot be squeezed to fit into the small hole.
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LIQUID
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A Liquid has no definite shape
• When a liquid is poured into a container, it takes the shape of the container.
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A Liquid has a fixed or definite volume
A liquid occupies a fixed amount of space.
A liquid cannot be compressed
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GAS
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A gas has no definite shape
A gas takes up the shape of the container that holds it.
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A gas has no definite volume
• Gas can be easily compressed
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Three States of Matter
Recap!!!!!
fixed volume
definite shapeFixed volume
Definite shape
Fixed volume
No definite shape
No fixed volume
No definite shape