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15
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A change from Ice to water is called
melting
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15
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What is a chemical reaction?
When substances are mixed together and stay the same
When substances are mixed together and form a solid
When substances are mixed together and form a new substance
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15
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Do solids keep their shape unless a force is exerted on them?
Yes, solids keep their shape unless a force is exerted on them.
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15
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We can change the state of materials by
heating or cooling them
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15
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What new substances form when we burn wood ?
A grey substance called ash and two different gases form
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thief
Give points!
5
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20
25
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star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
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25
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baam
Lose 10 points!
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
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25
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baam
Lose 10 points!
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15
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What chemical reaction has happened to this car .
The car is rusting
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15
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What is lava
solid
gas
liquid
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thief
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25
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magnet
Take 20 points!
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gift
Win 25 points!
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thief
Give points!
5
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25
15
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What chemical reaction is this ?
It's burning wood .
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15
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give an example of some powders
sand, flour,sugar and salt
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15
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A change from water to ice is called `
solidifying
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Which solids can we pour like liquids?
We can pour powders like sugar and sand. They act like liquidss.
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What happens to the substances in a chemical reaction?
the substances explode
the substances react together
the substances don't change
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15
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Can we pour solids like we can pour liquids?
No, we can't pour most solids
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