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Energy Transformations and Resources Unit 4 Test Review

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
2.
What energy transformations take place when a battery-operated radio is in use?
a)
Electrical to chemical to light
b)
Sound to chemical to mechanical
c)
Chemical to electrical to sound
d)
Light to electrical to thermal
3.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
4.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
5.

According to the Law of Conservation of Energy, energy cannot be _________ or ____________, only changed.

a)

destroyed, destroyed

b)

created, saved

c)

created, destroyed

d)

lost, found

6.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
7.

Which energy transformation below occurs in a hair dryer?

a)

electrical ----> thermal

b)

electrical -----> chemical

c)

chemical -----> thermal

d)

thermal ------> electrical

8.

Which is an example of kinetic energy?

a)

A soccer ball is lying on the ground.

b)

A person is standing in line.

c)

A roller coaster is sitting at the top of a hill.

d)

Water is flowing over a dam.

9.
A hairdryer converts what type of energy?
a)
thermal --> mechanical
b)
chemical --> thermal
c)
electrical -->light
d)
electrical --> thermal
10.

Why is burning fossil fuels, like coal and natural gas, harmful?

a)

then we won't have any fossil fuels if we burn them all

b)

They can get extremely hot

c)

Releases carbon dioxide when burned.

d)

this would destroy fossils

11.
Why are fossil fuels like coal, oil, and natural gas called nonrenewable resources?
a)
a.  They can never be replaced.
b)
a.  They cannot be easily replaced.
c)
a.  They can be recycled.
d)
a.  They can be made in factories.
12.

Wind energy

a)

is quiet and improves scenic areas.

b)

is suitable for any location in the country.

c)

requires little space and produces continuous power.

d)

does not emit carbon dioxide and does not require sunshine.

13.
What characteristic do all renewable resources share?
a)
Produced by waste products
b)
Form underground from dead organisms.
c)
Replaced in a short period of time
d)
Allow energy to pass through them easily
14.

Which of the following is a disadvantage of fossil fuels?

a)

Not easily available

b)

releases carbon dioxide when burned

c)

only available at certain times

d)

creates long lasting waste

15.
Why is solar energy considered renewable energy?
a)
It's cheaper than fossil fuels
b)
The sun's energy would not run out for billions of years
c)
Solar energy recharges batteries
d)
All of them
16.
Oil, Natural Gas, Nuclear, Coal - What do these items have in common?
a)
They are examples of inexhaustible energy resources.
b)
They are examples of renewable energy resources.
c)
They are examples of energy resources that do not cause pollution.
d)
They are examples of nonrenewable energy resources.
17.

Why is burning fossil fuels harmful?

a)

then we won't have any fossil fuels if we burn them all

b)

They can get extremely hot

c)

Increases the amount of carbon dioxide in the air

d)

this would destroy fossils

18.

What is an advantage of Oil?

a)

Chance of a spill

b)

High amounts of gas released when burned

c)

Nonrenewable

d)

Inexpensive

19.
When one energy form is changed into another it is called a
a)
transformation
b)
transfer
c)
translocation
d)
transcription
20.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 

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