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Energy Transformations

Authored by Dayley Crittenden

Science

5th - 7th Grade

Energy Transformations
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A koala in a tree eats leaves to obtain energy. What energy transformation is found in this example?

Chemical -> Electric

Chemical -> Mechanical

Electric -> Chemical

Mechanical -> Chemical

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A car is filled with gas so it can be able to move and function properly. The chemical energy in the gas is transformed into what other forms of energy?

Chemical -> Potential -> Mechanical

Chemical -> Thermal -> Potential

Chemical -> Mechanical -> Chemical

Chemical -> Thermal -> Mechanical

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a fan, electric energy is transformed into __________ energy.

Thermal

Chemical

Mechanical

Light

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a computer, electric energy is turned into _________ and _________ energy.

Light and sound

Sound and mechanical

Light and mechanical

Electric and sound

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What energy transformation occurs when a windmill in a power plant is spun by the wind?

Thermal -> Mechanical

Mechanical -> Electric

Electric -> Mechanical

Mechanical -> Thermal

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you switch on a battery powered flashlight, the chemical energy in the battery is turned into ________ and then into _______ energy.

Electric, light

Mechanical, thermal

Light, electric

Thermal, ice

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A radio uses _______ energy to create music, or _________ energy.

Sound, electric

Mechanical, electric

Electric, sound

Electric, mechanical

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