The mass before a reaction is the same as the total mass after a reaction.
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10
Which material would you choose to make a tool that has to be strong and withstand very high temperatures? (plastic, wood, metal, or rubber)
metal
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10
Physical/ Chemical change? burning paper
chemical
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trap
No points!
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seesaw
Swap points!
Okay!
rocket
Go to first place!
Okay!
baam
Lose 20 points!
Oops!
10
Physical/ Chemical change? breaking a window
physical
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15
The model represents one molecule of hydrazine. The black spheres represent nitrogen, the white spheres represent hydrogen. Based on this model, what is the atomic composition?
2 atoms of nitrogen and 4 atoms of hydrogen
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5
Natural/ Synthetic Material: nylon
synthetic
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10
Physical/ Chemical Property: combustibility
chemical
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thief
Give points!
5
10
15
20
25
shark
Other team loses 20 points!
Okay!
shark
Other team loses 15 points!
Okay!
baam
Lose 20 points!
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10
Physical/ Chemical Property: solubility
physical
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10
Physical/ Chemical change? mashing potatoes
physical
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monster
Reset all scores!
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gift
Win 10 points!
Okay!
rocket
Go to first place!
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banana
Go to last place!
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10
Physical/ Chemical change? milk sours
chemical
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5
True/ False: Temperature is the average kinetic energy of a substance.
