What is the main difference between exothermic and endothermic reactions?

Exothermic And Endothermic Reactions Explored Through Real Life Examples

Interactive Video
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Chemistry, Science, Biology
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9th - 10th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Both exothermic and endothermic reactions release energy.
Both exothermic and endothermic reactions absorb energy.
Exothermic reactions release energy, while endothermic reactions absorb energy.
Exothermic reactions absorb energy, while endothermic reactions release energy.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an exothermic reaction?
Melting ice
Neutralization between acids and alkalis
Photosynthesis
Boiling water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you detect an exothermic reaction?
By observing a change in color
By observing a decrease in temperature
By observing a change in state
By observing an increase in temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to energy during the freezing process?
Energy is converted into light.
Energy remains constant.
Energy is released to the surroundings.
Energy is absorbed from the surroundings.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which physical process is exothermic?
Evaporation
Condensation
Boiling
Melting
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common characteristic of endothermic reactions?
They release energy to the surroundings.
They absorb energy from the surroundings.
They do not involve any energy change.
They always result in a temperature increase.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an endothermic reaction?
Respiration
Condensation
Electrolysis
Freezing
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