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15
×
Matter is made of _________ that are too small to be seen.
particles
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15
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The smallest possible unit of matter.
Particles (atoms)
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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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banana
Go to last place!
Oops!
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 25 points!
Oops!
15
×
Which property could help you identify between aluminium and iron?
Magnetism. Iron is magnetic, aluminium isn't.
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15
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Which property determines if something will float or sink?
Density
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15
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Matter in this state has a fixed shape and volume, and can't be compressed.
Solid
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banana
Go to last place!
Oops!
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
15
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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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15
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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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boom
Lose 50 points!
Oops!
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gift
Win 25 points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
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the ability of matter to dissolve in something else
solubility
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15
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Everything that has weight and takes up space
matter
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15
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The spoiling of milk is an example of which type of change?
chemical
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15
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This type of change results in a new substance and can't be reversed.
Chemical change
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