Search Header Logo
Work, Energy, Power, & Power Systems Review

Work, Energy, Power, & Power Systems Review

Assessment

Presentation

Physics, Science

8th - 12th Grade

Medium

NGSS
HS-PS3-2, HS-ESS3-2, HS-PS3-4

+6

Standards-aligned

Created by

Melvin Marriner

Used 16+ times

FREE Resource

15 Slides • 20 Questions

1

Work, Energy, Power, & Power Systems Review

Slide image

2

Slide image

3

Multiple Choice

The unit of work is

1

watt

2

hertz

3

joule

4

pascal

4

Multiple Select

Which of the following definitions is correct.

1

Work is energy stored in place

2

Power is the rate of work done

3

Fission is when atoms merge together

4

Generators convert mechanical energy into electrical energy

5

Fill in the Blank

The Work-Energy Theorem states that the Work done on something is equal to the change in _______ energy

6

Slide image

7

Slide image

8

Slide image

9

Multiple Choice

Which of these items is not part of the law of conservation of energy?

1

energy cannot be created

2

energy cannot be destroyed

3

energy can be transferred between forms

4

energy is destroyed by friction

10

Multiple Choice

What is g on Earth?
1
9.8 m/s/s
2
9.8 m/s
3
42 m*s
4
42 m/s/s

11

Multiple Choice

What is the formula for Kinetic Energy?
1
PE = m*g*h
2
KE = 1/2m*v2
3
W = F*d
4
P = W/t

12

Multiple Choice

What is the formula for Gravitational Potential Energy?
1
PE = m*g*h
2
KE = 1/2m*v2
3
W = F*d
4
P = W/t

13

Slide image

14

Slide image

15

Multiple Choice

What is being transferred as you do work?

1

Energy

2

Heat

3

Power

4

Gravitational Potential Energy

16

Multiple Choice

How much work is being done with 200 N of force over 426 meters?
1
85,200 J
2
45,620 J
3
90,480 J
4
62,329 J

17

Multiple Choice

A weightlifter holds a 100 kg barbell above her head. Is work done?

1

Yes because there is a force applied to the barbell and the force causes a displacement of the barbell.

2

Yes because there is an upward force applied to the barbell and the barbell moves vertically.

3

No because no displacement occurred.

4

No because there is no force applied.

18

Multiple Choice

A weightlifter holds a 100 kg barbell above her head. Is work done?

1

Yes because there is a force applied to the barbell and the force causes a displacement of the barbell.

2

Yes because there is an upward force applied to the barbell and the barbell moves vertically.

3

No because no displacement occurred.

4

No because there is no force applied.

19

Slide image

20

Slide image

21

Multiple Choice

How do you calculate power?

1

P = W/t

2

P = E/t

3

P = w * t

4

P = bbq/chicken

22

Slide image

23

Slide image

24

Multiple Select

Nuclear Energy is made through 2 processes called...

1

Fission

2

Fusion

3

Fracking

4

Heating

25

Multiple Select

What are the main fossil fuels?

1

Coal

2

Oil

3

Natural Gas

4

Nuclear Energy

26

Multiple Choice

What is a disadvantage of wind power?
1
We have too many rainy days in US
2
It is not always windy in some places
3
Companies charge too much to make the wind blow
4
The sun is not always out

27

Multiple Choice

All of the following are considered renewable energy sources EXCEPT –

1

Wind

2

Coal

3

Biomass

4

Solar

28

Multiple Choice

Question image
Heat transferred from beneath the surface of Earth and used to produce energy for human use is...
1
Hydropower
2
Wind Energy
3
Geothermal Energy
4
Solar Energy

29

Multiple Choice

Question image
The house illustrated here uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use?
1
Water
2
Wind
3
Solar
4
Geothermal

30

Multiple Choice

Question image

Why is solar energy considered renewable energy?

1

It's cheaper than fossil fuels

2

The sun's energy would not run out for billions of years

3

Solar energy recharges batteries

4

All of them

31

Slide image

32

Slide image

33

Slide image

34

Multiple Choice

What percent energy is wasted by a machine if the energy input is 262 J and the energy output is 131 J?

1

5%

2

50%

3

100 J

35

Slide image

Work, Energy, Power, & Power Systems Review

Slide image

Show answer

Auto Play

Slide 1 / 35

SLIDE