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Energy Unit Conversions

Authored by Lisa Thompson

Science

4th Grade

NGSS covered

Energy Unit Conversions
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the SI unit of energy?

Joule

Watt

Newton

Pascal

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a system has an energy of 5000 Joules, how many kilojoules is this equivalent to?

5 kJ

50 kJ

500 kJ

0.5 kJ

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Convert 1 calorie to joules. (1 calorie = 4.184 joules)

4.184 joules

0.238 joules

4184 joules

1 joule

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a unit of energy?

Watt

Joule

Ampere

Volt

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many joules are in a kilowatt-hour?

3.6 million joules

3600 joules

36,000 joules

360,000 joules

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the energy conversion when a battery powers a flashlight?

Chemical to light

Electrical to chemical

Light to chemical

Mechanical to electrical

Tags

NGSS.HS-PS3-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a light bulb uses 60 watts of power, how much energy does it use in 2 hours?

432,000 joules

120 joules

7200 joules

4320 joules

Tags

NGSS.HS-PS3-1

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