Team 1
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Team 2
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Teams
Name
Score
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baam
Lose 10 points!
Oops!
×
gold
Win 50 points!
Okay!
×
fairy
Take points!
5
10
15
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25
×
lifesaver
Give 25 points!
Oops!
25
×
In the reaction: C3H8 + 5O2 --> 4H2O + 3CO2, how many oxygen atom are on the product side?
10
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25
×
This is the minimum amount of energy needed for a chemical reaction to occur.
activation energy
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×
heart
Other team wins 5 points!
Oops!
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fairy
Take points!
5
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25
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fairy
Take points!
5
10
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20
25
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thief
Give points!
5
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25
20
×
During a combustion reaction, what element must be part of the reactant?
oxygen (O2)
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×
banana
Go to last place!
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rocket
Go to first place!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
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15
×
Which will burn fastest in open air, a log 2 feet in diameter, or a pile of splinters made from a 2 foot diameter log?
pile of splinters made from a 2 foot diameter log
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×
baam
Lose 20 points!
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×
star
Double points!
Okay!
×
gift
Win 25 points!
Okay!
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thief
Give points!
5
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25
5
×
Energy is needed to break the bonds in a chemical reaction.
true
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20
×
Brennan watched as 2 compounds reacted and changed into 2 different compounds. What type of reaction is this?
double replacement
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10
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If the arrangement of atoms in a substance changes, chemical properties are the same but physical properties change.
false
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20
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This is certain proof that a chemical reaction has occurred.
change of chemical properties
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10
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Which of the following is NOT evidence of a chemical change? color, temperature, odor, state of matter
state of matter
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10
×
Chemical reactions are balanced by changing the subscripts of the molecules.
false
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20
×
This is the type of reaction that during a reaction thermal energy is absorbed.
endothermic reaction
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20
×
what type of reaction becomes colder?
endothermic
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