

Energy and Work Lessons
Presentation
•
Physics
•
8th - 12th Grade
•
Hard
Joseph Anderson
FREE Resource
15 Slides • 20 Questions
1
Work, Energy, Power, & Power Systems Review

2
3
Multiple Choice
The unit of work is
watt
hertz
joule
pascal
4
Multiple Select
Which of the following definitions is correct.
Work is energy stored in place
Power is the rate of work done
Fission is when atoms merge together
Generators convert mechanical energy into electrical energy
5
Fill in the Blanks
Type answer...
6
7
8
9
Multiple Choice
Which of these items is not part of the law of conservation of energy?
energy cannot be created
energy cannot be destroyed
energy can be transferred between forms
energy is destroyed by friction
10
Multiple Choice
11
Multiple Choice
12
Multiple Choice
13
14
15
Multiple Choice
What is being transferred as you do work?
Energy
Heat
Power
Gravitational Potential Energy
16
Multiple Choice
17
Multiple Choice
A weightlifter holds a 100 kg barbell above her head. Is work done?
Yes because there is a force applied to the barbell and the force causes a displacement of the barbell.
Yes because there is an upward force applied to the barbell and the barbell moves vertically.
No because no displacement occurred.
No because there is no force applied.
18
Multiple Choice
A weightlifter holds a 100 kg barbell above her head. Is work done?
Yes because there is a force applied to the barbell and the force causes a displacement of the barbell.
Yes because there is an upward force applied to the barbell and the barbell moves vertically.
No because no displacement occurred.
No because there is no force applied.
19
20
21
Multiple Choice
How do you calculate power?
P = W/t
P = E/t
P = w * t
P = bbq/chicken
22
23
24
Multiple Select
Nuclear Energy is made through 2 processes called...
Fission
Fusion
Fracking
Heating
25
Multiple Select
What are the main fossil fuels?
Coal
Oil
Natural Gas
Nuclear Energy
26
Multiple Choice
27
Multiple Choice
All of the following are considered renewable energy sources EXCEPT –
Wind
Coal
Biomass
Solar
28
Multiple Choice
29
Multiple Choice
Which alternative energy source does this house use?
30
Multiple Choice
Why is solar energy considered renewable energy?
It's cheaper than fossil fuels
The sun's energy would not run out for billions of years
Solar energy recharges batteries
All of them
31
32
33
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?
5%
50%
100 J
35
Work, Energy, Power, & Power Systems Review

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