Unit 1 - Part 2: Lesson 3 - Energy Changes in Chemical Reactions
Authored by Danilo Lugli
Science
7th Grade
NGSS covered
Used 19+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required for atoms to break bonds during a collision?
They need to be heated
They must collide with the right amount of force
They need to be in a liquid state
They need a catalyst
Tags
NGSS.HS-PS1-4
NGSS.HS-PS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of reaction absorbs more energy to break bonds than it releases?
Combustion reaction
Exothermic reaction
Endothermic reaction
Decomposition reaction
Tags
NGSS.HS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the energy in a chemical reaction primarily come from?
The surrounding environment
The chemical bonds of atoms
The energy of light
Kinetic energy of particles
Tags
NGSS.HS-PS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exothermic reaction, where is thermal energy located in the chemical equation?
A) On the reactants' side
B) On the products' side
C) In the middle of the equation
D) It does not appear in the equation
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of cellular respiration in organisms?
To produce oxygen
To break down glucose and release energy
To store energy in glucose
To form new cells
Tags
NGSS.HS-LS1-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to energy during an endothermic reaction?
It is released to the surroundings
It is absorbed from the surroundings
It is conserved within the products
It remains unchanged
Tags
NGSS.HS-PS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following does the law of conservation of energy state?
Energy can be created but not destroyed
Energy is created and destroyed in reactions
Energy is not created or destroyed, only transferred
Energy cannot be stored in chemical bonds
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-2
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