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15
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in the chemical reaction, what happened?
The oxygen atoms were rearranged
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trap
No points!
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gift
Win 15 points!
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gift
Win 25 points!
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thief
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5
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25
15
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In a chemical reaction, the number of atoms remains the same before & after the reaction
True
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15
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The total number of atoms stays the same in a chemical change
True
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15
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A chemical reaction ...
forms a new substance
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monster
Reset all scores!
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star
Double points!
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fairy
Take points!
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15
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25
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baam
Lose 5 points!
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15
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The total number of atoms does not change in a chemical reaction
True
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15
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After a chemical change, does it have new properties?
Yes
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15
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Whay caused the steel wool to burn?
A battery
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15
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What burned in the video?
Steel wool
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15
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In a chemical change, the products you form are ...
Products
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15
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in a chemical change , the chemicals we start with are ...
Reactants
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15
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In a chemical reaction, the number of atoms does not change but a new ... is formed
Substance
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15
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Did the number of atoms in iron (Fe) change during chemical reaction?
No
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seesaw
Swap points!
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gift
Win 25 points!
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rocket
Go to first place!
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thief
Give points!
5
10
15
20
25
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monster
Reset all scores!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
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25
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lifesaver
Give 10 points!
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