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Science

8th - 9th Grade

NGSS covered

Used 14+ times

Work and Energy
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Force is measured in ________.

Joules
Kilograms
Pounds
Newtons

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If 68 W of power is produced in 18 seconds, how much work is done?

1,224 J

0.264 J

3.77 J

12.24 J

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The Royal Gorge Bridge is situated 321m above the Arkansas River in Colorado.  If the gravitational potential energy associated with a tourist on the bridge is 173000J with respect to the river, what is the tourist’s mass?

5290.5 kg
0.018 kg
5.42 kg
54.99 kg

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one Law of Conservation of Energy?

Energy can be created or destroyed.

Energy can be transferred from one object to another.

Energy does nothing.

Tags

NGSS.MS-PS3-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

__________ force opposes the motion of an object and slows the object down.

Applied
Normal
Friction
Gravitational

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following types of energy is present in the wound-up rubber band in a toy airplane?

mechanical energy

kinetic energy

potential energy

elastic potential energy

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following types of energy is in the food you eat?

chemical energy

thermal energy

light energy

nuclear energy

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