What is the term for the energy required to start a chemical reaction?

Exploring Enzymes and Catalysts in Chemical Reactions

Interactive Video
•
Biology
•
6th - 10th Grade
•
Hard

Olivia Brooks
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Activation energy
Thermal energy
Potential energy
Kinetic energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of reaction releases more energy than it absorbs?
Adiabatic reaction
Isothermal reaction
Exothermic reaction
Endothermic reaction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of an endothermic reaction?
It produces light
It occurs spontaneously
It absorbs more energy than it releases
It releases heat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is heat not used as a catalyst in the human body?
It is too slow
It is too expensive
It can denature proteins
It is not available
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a catalyst in a chemical reaction?
Change the products of the reaction
Decrease the activation energy
Slow down the reaction
Increase the activation energy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are enzymes primarily made of?
Nucleic acids
Proteins
Lipids
Carbohydrates
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the specific region of an enzyme where the substrate binds called?
Catalytic site
Active site
Binding site
Reaction site
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