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Energy Transformations

Authored by Molly Waldner

Science

8th Grade

20 Questions

NGSS covered

Used 1K+ times

Energy Transformations
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?

A triple beam balance measuring an object’s mass.
A pencil sharpener plugged into a wall outlet.
A projector displaying a diagram on the screen.
A working flashlight used to light up a dark corner.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these is an example of light energy being transformed into chemical energy?

A glow stick lights up when broken.
Water heated by the sun evaporates.
A plant makes sugar in the sunlight.
A battery causes a buzzer to vibrate.

Tags

NGSS.MS-LS1-7

NGSS.MS-LS1-6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which kind of energy change occurs when a candle is burning?

Chemical to light.
Light to electrical.
Solar to heat.
Chemical to electrical.

Tags

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

chemical → light → electrical
electrical → light → chemical
light → electrical → chemical
chemical → electrical → light

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

Solar
Light
Thermal
Mechanical

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What energy conversions take place when you vigorously rub your hands together?

friction => heat

chemical => thermal

mechanical => thermal

kinetic => chemical

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of energy is food energy stored in your muscles?

mechanical

nuclear

thermal

chemical

Tags

NGSS.MS-LS1-7

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