
Energy Conversion and Efficiency Concepts
Interactive Video
•
Physics
•
8th - 9th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary definition of energy in physics?
The ability to stop motion
The ability to do work
The ability to create matter
The ability to destroy matter
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a form of energy discussed in the video?
Kinetic energy
Elastic energy
Potential energy
Magnetic energy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to energy according to the law of conservation?
It can be destroyed
It can be created
It can be lost
It can only be converted
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a Sankey diagram, what does the thickness of an arrow represent?
The color of energy
The type of energy
The amount of energy
The speed of energy conversion
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of using Sankey diagrams?
To measure energy speed
To destroy energy
To create energy
To represent energy conversions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a Sankey diagram help to prove about energy?
Energy can be created
Energy is lost
Energy can be destroyed
Energy is only converted
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of bulb is more energy efficient according to the video?
Halogen bulb
CFL bulb
LED bulb
Incandescent bulb
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