The Law of Conservation of Energy
Interactive Video
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Medium
M Taylor
Used 8+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the law of conservation of energy state?
Energy can be created and destroyed.
Energy cannot be created or destroyed.
Energy is only created in power plants.
Energy is always lost in transformations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do we get the energy that is transformed into electricity?
From the sun only.
From existing energy sources like coal and wind.
From creating new energy.
From water only.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to energy during transformation?
It is always completely used.
It can be wasted.
It becomes new energy.
It disappears.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are LEDs more efficient than incandescent bulbs?
They waste more energy as heat.
They create new energy.
They transform more electrical energy into light.
They use more electricity.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of energy transformation?
Transforming electrical energy into light in a bulb.
Creating energy from nothing.
Using wind to create new energy.
Turning off lights.
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