Work and Energy

Work and Energy

9th Grade

17 Qs

quiz-placeholder

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Work and Energy

Work and Energy

Assessment

Quiz

Physics

9th Grade

Hard

NGSS
MS-PS3-5, MS-PS3-1, MS-PS3-2

+5

Standards-aligned

Created by

Ernesto Ruiz

Used 81+ times

FREE Resource

17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

In which of the following situations do your arms do work on books?

holding a heavy stack of books while standing

dropping a stack of books onto a table

picking up a pile of books from the floor

carrying a heavy stack of books

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How much work is done lifting a 9.10-kg box straight up onto a shelf that is 1.80 m high? Find Force by F = Mass x Acceleration

5 J

160 J

16 J

50 J

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What are three ways that simple machines can make work easier?

changing the direction of force, increasing speed, increasing force

with

changing the direction of speed–increasing direction– increasing force–

changing the force of speed–decreasing direction– increasing force–

scissors, tractors and a car jack are simple machines that make work easier.

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Using the scientific definition, which statement is always true of work?

It is difficult.

It is done with a machine.

It involves levers.

It involves a transfer of energy.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Name and describe at least two examples of how different forms of energy can be stored.

a spring can store energy by chemically bonding the tension. A battery can store energy by mechanically having it in the system.

Chemical potential energy is stored due to fire burning Gravitational potential energy is stored due an object at the bottom of the hill and storing it.

Chemical potential energy is stored due to the molecular bonds of food and fuels. Gravitational potential energy is stored due to the gravitational attraction between Earth and the Sun. Elastic potential energy is stored by stretching or compressing a spring.

Gasoline can store energy by thermal energy. The sun can store energy by also using thermal energy

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The kinetic energy from an object’s motion always changes when which factor changes?

the object's speed

the object's volume

the object's chemical potential energy

the object's direction of motion

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

According to the graph, what is the kinetic energy at 2 s?

200 J

10 J

21 J

15 J

Tags

NGSS.MS-PS3-1

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