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Teams
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25
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How can I recover salt from a saltwater solution?
Evaporate the water so the salt is left behind.
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15
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How could I separate sand from stones?
Use a sieve.
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20
×
What gas is made when you mix bicarbonate of soda with vinegar?
Carbon Dioxide
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10
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What is the scientific formula for water?
H2O
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20
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Is dried lava reversible or not
it is reversible
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25
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Which word describes how easily gas or liquid can pass through something?
Permeability
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15
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What happens when steam meets a cold surface?
Condensation
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5
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What is frozen water called?
Ice
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boom
Lose 50 points!
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star
Double points!
Okay!
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fairy
Take points!
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25
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thief
Give points!
5
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25
10
×
My chocolate bar has turned to liquid! How can I make it solid again?
Freeze it (make it colder)
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20
×
How could I remove fine sand from water?
Use filter paper.
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15
×
When something goes from solid to liquids, it...
melts
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seesaw
Swap points!
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star
Double points!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
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25
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lifesaver
Give 25 points!
Oops!
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gift
Win 10 points!
Okay!
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gift
Win 10 points!
Okay!
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baam
Lose 25 points!
Oops!
25
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When I put a gummi bear in water it grows because water can get in but sugar can't get out. What word describes the water moving in?
Osmosis
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25
×
How do you protect a metal from rusting? (Answer begins with G)
Galvanising
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