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15
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A change in matter that involves a change in a physical property but doesn't create a new substance
Physical change
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Matter is made of _________ that are too small to be seen.
particles
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Physical or chemical change?
physical
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Everything that has weight and takes up space
matter
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heart
Other team wins 15 points!
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star
Double points!
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fairy
Take points!
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25
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banana
Go to last place!
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Which property determines if something will float or sink?
Density
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trap
No points!
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star
Double points!
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fairy
Take points!
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thief
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15
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Why is mixing Coca-cola and mentos and example of a physical change?
Because no new substance is produced. CO2 is already present in the soda.
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Why is an inflated balloon heavier than an empty balloon?
It has air/gas inside of it.
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trap
No points!
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magnet
Take 15 points!
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fairy
Take points!
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lifesaver
Give 20 points!
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15
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When heat is added to a solid, it becomes this state of matter
liquid
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For a liquid to become a solid, heat energy needs to be: added or removed?
Removed! The temperature needs to be colder.
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Which property could help you identify between aluminium and iron?
Magnetism. Iron is magnetic, aluminium isn't.
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What happens to the particles of a liquid when we add heat energy?
the particles move faster and spread more, it turns into a gas.
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15
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When something burns it is which of these: physical or chemical?
Chemical
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Matter in this state has a fixed shape and volume, and can't be compressed.
Solid
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