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UKA Grade 7 Science
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Changing state - Liquid to Gas
Evaporation
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At room temperature what state is neon
Gas
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When you freeze something do the particles move slower or faster?
Slower
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What are materials made up of?
Tiny particles
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What state of matter?
Liquid
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At room temperature what state is copper
Solid
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Is milk a mixture or a substance?
Mixture
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At room temperature what state is H2O
Liquid
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Can a solid compress?
No, it can't
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Changing state - Gas to Liquid
Condensation
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Is wood a mixture or a substance?
Mixture
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Can a liquid flow?
Yes it can.
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Changing state - Solid to Liquid
Melting
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What state of matter?
Gas
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When a gas is heated what happens to pressure?
It increases
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What state of matter?
Solid
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Can you compress a gas?
Yes, you can.
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What temperature is the freezing point for water?
Zero degrees celcius
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How many materials make up a substance?
One (It is pure)
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What temperature is boiling point for water?
100 degrees celcius
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Is gold a mixture or a substance?
Substance
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When you heat something do the particles move slower or faster?
Faster
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At room temperature what state is mercury
Liquid
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What 3 factors affect diffusion speed
Temperature, Particles size and the state of the substance
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Changing state - Liquid to Solid
Freezing
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At room temperature what state is milk
liquid
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