Energy changes in chemical reactions
Authored by Alix Waine
Science, Chemistry
9th - 10th Grade
NGSS covered
Used 10+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Burning carbon in oxygen is an example of
an exothermic reaction
respiration
an endothermic reaction
thermal decomposition
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Breaking chemical bonds takes in energy from the surroundings. What type of chemical change is being described?
endothermic
exothermic
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Making chemical bonds gives out energy to the surroundings. What type of reaction is this an example of?
endothermic
exothermic
displacement
combustion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exothermic reaction the temperature of the reaction mixture
decreases
doesn't change
increases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In exothermic reactions heat is
taken in
given out
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In endothermic reactions heat is
given out
taken in
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the reaction is EXOTHERMIC and the temperature is being measured, what will happen to the the reading on the thermometer?
no change
increase
decrease
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