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WorksheetsWork, Energy and Power
Total questions: 27
Worksheet time: 28mins
Name
Class
Date
1.
What is energy?
a)
It is measured in watts
b)
It is power
c)
It is the ability to do work
d)
It is fluid motion
2.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
3.
How do you calculate power?
a)
P = W/t
b)
P = E/t
c)
P = w * t
d)
P = bbq/chicken
4.
How do we calculate work?
a)
W = F * d
b)
w = f * D
c)
W = F * D
d)
w = f * d
5.
If you push a coffee mug 1.4 m using a force of 5 N, the work done on the mug is?
a)
7 J
b)
6 J
c)
8 J
d)
9 J
6.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
7.
At which point is kinetic energy greatest
a)
W
b)
X
c)
Y
d)
Z
8.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
9.
Bro A bench presses 145-lbs five times in 20 seconds.
Bro B bench presses 145-lbs five times in 10 seconds.
Bro B bench presses 145-lbs five times in 10 seconds.
a)
Bro A has more power
b)
Bro B has more power
c)
Both Bros have the same power
d)
Bro
10.
You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, how much kinetic energy does it have?
a)
10 J
b)
100 J
c)
7 J
d)
20 J
11.
A 70 kg runner has a velocity of 5 m/s. Her kinetic energy is
a)
875 J
b)
175 J
c)
1750 J
d)
350 J
12.
If both the mass and the velocity of an asteroid are doubled, the kinetic energy of the asteroid is increased by a factor of:
a)
2
b)
4
c)
8
d)
16
13.
All of the following are an example of light energy except for:
a)
fire
b)
flashlight
c)
apple
d)
sun
14.
All of the following are an example of chemical energy except for:
a)
batteries
b)
shoe
c)
hamburger
d)
fruit
15.
All of the following are an example of thermal energy except for:
a)
pencil
b)
fire
c)
heater
d)
stove
16.
A resource that takes millions of years to form is called a _________.
a)
renewable resource
b)
nonrenewable resource
17.
Using heat from the Earth's interior to generate electricity is called _______.
a)
wind energy
b)
solar energy
c)
biomass energy
d)
geothermal energy
18.
Energy that comes from burning dead plants, organisms, and waste products is called ______.
a)
wind energy
b)
solar energy
c)
biomass energy
d)
geothermal energy
19.
What type of prehistoric environment did coal form from?
a)
oceans
b)
forrests
c)
swamps
d)
desert
20.
What type of prehistoric environment did oil and natural gas form from?
a)
oceans
b)
forrests
c)
swamps
d)
desert
21.
According to the notes, a disadvantage of solar power is:
a)
The sun is not free.
b)
The panels are ugly.
c)
The panels are shiny.
d)
The panels are expensive.
22.
What is one advantage of fossil fuels?
a)
They are cheap.
b)
They are good for the environment.
23.
One advantage to wind power is:
a)
Wind is free.
b)
Sometimes there is no wind.
c)
Birds can get hurt in the tower.
d)
Coasts that have a lot of wind are expensive.
24.
True or False:
Fossil Fuels provide 95% of our world's energy demands.
Fossil Fuels provide 95% of our world's energy demands.
a)
True
b)
False
25.
What is a disadvantage of nuclear power?
a)
The reactor takes up too much space.
b)
It produces greenhouse gases.
c)
It produces radioactive waste.
26.
True or False
It is easy to find a place to create tidal power.
It is easy to find a place to create tidal power.
a)
True
b)
False
27.
What is missing from this process of making energy?
1. Oil is burned and heats the water.
2. Water turns to steam.
3. __________________
4. Generator makes electricity.
1. Oil is burned and heats the water.
2. Water turns to steam.
3. __________________
4. Generator makes electricity.
a)
Steam makes the generator turn.
b)
Steam turns to water again.
c)
Steam turns the turbine.
d)
Steam turns the reactor.
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