
Exothermic and Endothermic Reactions

Interactive Video
•
Chemistry, Science, Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key principle regarding energy in chemical reactions?
Energy is conserved during reactions.
Energy is created during reactions.
Energy is destroyed during reactions.
Energy is irrelevant in reactions.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of exothermic reactions?
They absorb energy from the surroundings.
They release energy to the surroundings.
They only occur in cold environments.
They do not involve energy transfer.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an exothermic reaction?
Evaporation
Combustion
Melting ice
Photosynthesis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the temperature of the surroundings during an endothermic reaction?
It increases.
It fluctuates randomly.
It decreases.
It remains constant.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which reaction is an example of an endothermic process?
Rusting of iron
Thermal decomposition
Neutralization of acid and base
Combustion of wood
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do ice packs provide cooling for injuries?
By releasing heat to the surroundings
By absorbing heat from the surroundings
By increasing blood flow
By generating cold air
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using an insulated beaker in energy change experiments?
To increase the reaction rate
To reduce heat loss to the surroundings
To prevent chemical reactions
To enhance color change
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