Law of Conservation of Energy with Balancing Equation

Quiz
•
Science
•
9th Grade
•
Hard
+8
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following best describes the Law of Conservation of Energy?
Energy can be created and destroyed.
Energy can be transformed from one form to another, but the total energy remains constant.
Energy is always lost as heat.
Energy can only be stored in chemical bonds.
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a closed system, if the potential energy decreases, what happens to the kinetic energy according to the Law of Conservation of Energy?
It increases.
It decreases.
It remains the same.
It is destroyed.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following equations represents the Law of Conservation of Energy in a chemical reaction?
Tags
NGSS.HS-PS1-7
NGSS.HS-PS3-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A ball is dropped from a height. Which form of energy conversion takes place as it falls?
Potential energy to kinetic energy
Kinetic energy to potential energy
Thermal energy to potential energy
Chemical energy to kinetic energy
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-2
NGSS.MS-PS3-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an isolated system, the total energy is 100 J. If 30 J of energy is converted to heat, what is the remaining energy in the system?
70 J
100 J
30 J
0 J
Tags
NGSS.HS-PS3-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an example of energy transformation that follows the Law of Conservation of Energy?
A battery powering a flashlight
A car engine creating energy
A plant growing without sunlight
A perpetual motion machine
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary principle behind balancing chemical equations?
Conservation of mass
Conservation of energy
Conservation of charge
Conservation of volume
Tags
NGSS.HS-PS1-7
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