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Energy and Energy Transformations

Total questions: 75

Worksheet time: 41mins

Name
Class
Date
1.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
2.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
3.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
same
4.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
5.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
6.
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 
7.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
8.
What kind of energy is in a person climbing a ladder?
a)
Potential
b)
Kinetic
c)
Both
9.
Energy can be _____________ or changed from one type to another.
a)
destroyed
b)
transferred
c)
created
d)
ignored
10.
Conservation of energy states that energy cannot be ________ or ________, but can be altered from one form to another.
a)
created, destroyed
b)
gravity, force
c)
heat, created
11.
What are the two factors that affect kinetic energy?
a)
time and energy
b)
power and mass
c)
mass and speed
d)
time and work
12.
What is the unit of measurement for kinetic energy
a)
Newton
b)
Joule
c)
Watt
d)
Kilogram
13.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
d)
leaves rolling down a hill 
14.
Which is an example of potential energy?
a)
a roller coaster speeding down a hill
b)
the pulled back string on an archers's bow
c)
releasing the strings on a guitar
d)
an electric current lighting a light bulb
15.
When you stretch a rubber band, you are storing __________ energy. 
a)
kinetic 
b)
potential
c)
none of the above
d)
all of the above 
16.
Food has _________ energy. 
a)
Potential 
b)
Kinetic 
c)
None of the above 
d)
All of the above 
17.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
18.
True or False: The people at the bottom of the hill have mostly potential energy. 
a)
True
b)
False
19.
In order to INCREASE the potential energy of an object, you need to:
a)
put the object lower to the ground
b)
raise the object higher
20.
What force is constantly acting on Earth?
a)
kinetic energy
b)
mechanical force
c)
potential energy
d)
gravity
21.
A glass of milk.
a)
Potential
b)
Kinetic
22.
An acorn hanging from an oak tree.
a)
Potential
b)
Kinetic
23.
A firecracker that has not been lit.
a)
Potential
b)
Kinetic
24.

A cheetah can run briefly with a speed of 31 m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy?

a)

1457 J

b)

728.5 J

c)

45,167 J

d)

22,583.5 J

25.

What is the kinetic energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s?

a)

32,110 J

b)

16,055 J

c)

4693 J

d)

247 J

26.
What kind of energy is in a waving hand?
a)
Potential
b)
Kinetic
27.
Which would have the GREATEST gravitational potential energy?
a)
A 2,000 lb cow in a ditch
b)
A 2,000 lb cow on a horse
c)
A 2,000 lb cow on a house
d)
A 2,000 lb cow on a radio tower
28.

What energy transformation occurs as bioluminescent algae glow in the ocean?

a)

Radiant --> Chemical

b)

Thermal --> Radiant

c)

Chemical --> Radiant

d)

Thermal --> Chemical

29.

What energy transformation occurs in the chameleon as it quickly launches its tongue to catch an insect?

a)

Radiant --> Chemical

b)

Thermal --> Chemical

c)

Chemical --> Mechanical

d)

Mechanical --> Chemical

30.

What energy transformation occurs as howler monkeys loudly call to each other in the forest?

a)

Chemical --> Mechanical --> Sound

b)

Chemical --> Sound --> Thermal

c)

Sound --> Chemical --> Radiant

d)

Mechanical --> Chemical --> Sound

31.

What energy transformation occurs as as an elephant walks through the savanna?

a)

Thermal --> Chemical + Mechanical

b)

Mechanical --> Chemical + Thermal

c)

Radiant --> Chemical + Mechanical

d)

Chemical --> Mechanical + Thermal

32.

What energy transformation occurs during photosynthesis?

a)

Chemical --> Radiant

b)

Thermal --> Chemical

c)

Radiant --> Chemical

d)

Mechanical --> Thermal

33.

What energy transformation occurs as a mouse produces body heat?

a)

Chemical --> Thermal

b)

Thermal --> Chemical

c)

Electrical --> Thermal

d)

Thermal --> Mechanical

34.
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
35.
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
a)
A bolt of lightning lights the night sky.
b)
A candle glows brightly in the dark.
c)
A fire in a fireplace lights up a room.
d)
A battery causes a flashlight to shine.
36.
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
37.
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
a)
mechanical to thermal to electrical
b)
chemical to mechanical to thermal
c)
mechanical to chemical to sound
d)
chemical to sound to electrical
38.
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
39.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
40.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical to thermal
b)
light to chemical
c)
thermal to light
d)
chemical to electrical
41.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
42.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
43.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
44.
Can you create energy?
a)
Yes
b)
No
45.
Can you destroy energy?
a)
Yes
b)
No
46.
Which choice below is most like a pendulum, for demonstrating Potential and Kinetic Energy?
a)
Roller Coaster
b)
Kicking a Soccer Ball
c)
A Water Slide
d)
A Swing Set
47.
What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?
a)
an electric toothbrush
b)
a toaster
c)
a flashlight
d)
an iron
48.
What best describes the energy conversion that occurs when you turn on a hair dryer?
a)
electric to kinetic to thermal and sound
b)
chemical to thermal to light and sound
c)
nuclear to electrical to thermal and sound
d)
kinetic to light to thermal and sound
49.

What is the energy conversion when you plug in a stereo and listen to music?

a)

electrical to mechanical

b)

chemical to heat

c)

electrical to sound

d)

potential to sound

50.

What is the energy conversion when you burn wood for a fire?

a)

electrical to thermal

b)

light to kinetic

c)

chemical to thermal

d)

chemical to electrical

51.

What is the energy conversion when you put batteries in a flashlight to make it turn on?

a)

chemical to light

b)

light to kinetic

c)

chemical to thermal

d)

nuclear to light

52.

What is the energy conversion when you plug in a charger to charge a battery?

a)

electrical to light

b)

kinetic to potential

c)

thermal to chemical

d)

electrical to chemical

53.

What is the energy conversion when you have a skateboard at the top of the hill then move down?

a)

kinetic to potential

b)

potential to kinetic

c)

potential to thermal

d)

electrical to kinetic

54.

What is the energy conversion when a wind turbine turns to provide energy to a power grid?

a)

electrical to potential

b)

potential to kinetic

c)

kinetic to electrical

d)

nuclear to heat

55.

Resources that are not able to be reproduced as quickly as they are used are called _____.

a)

renewable resources

b)

replaceable resources

c)

non renewable resources

d)

non replaceable resources

56.

Geothermal energy uses heat from ____ to produce electricity.

a)

the earth

b)

coal

c)

oil

d)

natural gas

57.

Coal is burned to heat water so that the _______ can turn turbines.

a)

fire

b)

steam

c)

water

d)

heat

58.

Renewable resources ...

a)

are not replaceable

b)

are used more frequently than non renewables

c)

are never going to run out

d)

going to run out

59.

What type of power plant uses the potential energy of water trapped behind a dam?

a)

nuclear power plant

b)

hydroelectric power plant

c)

solar station

d)

coal burning power plant

60.

What are fossil fuels?

a)

coal, oil, uranium

b)

oil, natural gas, uranium

c)

coal, oil, natural gas

d)

geothemals, coal, natural gas

61.

Petroleum is mainly used in the United States for...

a)

gasoline for cars

b)

running coal burning power plants

c)

making windmills turn

d)

burning for heat

62.

Uranium atoms are split to create a tremendous amount of heat in a _____ power plant.

a)

biomass

b)

geothermal

c)

nuclear

d)

hydroelectric

63.

Which of these are renewable resources?

a)

coal

b)

wind

c)

geothermal

d)

water in a dam

e)

biomass

64.

Which of these is non renewable

a)

natural gas

b)

water in a dam

c)

solar power

d)

wind energy

65.

Fossil Fuels are

a)

pieces of rock that have been compacted many times

b)

rock that contains 50% plant and animal remains

c)

metamorphic rock

d)

fuels that form from the remains of plant and other organisms that were buried and altered over million of years

66.

This fossil fuel has been created by the remains of plants and must be mined from deep within the Earth.

a)

oil

b)

coal

c)

natural gas

d)

solar

67.

Fossil Fuels (choose ALL that apply)

a)

considered nonrenewable resources

b)

cause pollution in the atmosphere

c)

are renewable resources

d)

oil, coal and natural gas

68.

The ADVANTAGES of Fossil Fuels include: (Choose ALL that apply)

a)

low cost

b)

produce a lot of energy

c)

cause air pollution

d)

high cost

69.

Two ADVANTAGES of Fossil Fuels are:

a)

They are not easy to find and hardly generate electricity

b)

Are easy to find and generate huge amounts of electricity for big cities.

c)

Are nonrenewable and generate just enough electricity for big cities

d)

Are renewable and are gone once used up

70.

The flame on your stove is an example of

a)

coal

b)

petroleum

c)

natural gas

d)

oil

71.

To introduce poisonous or harmful substances into the environment is called

a)

decomposition

b)

decay

c)

consumption

d)

pollution

72.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
73.
Is Wood a conductor or Insulator?
a)
Conductor
b)
Insulator
74.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
75.
All of the following are conductors except _______.
a)
metal spoon
b)
wire
c)
iron nail
d)
plastic spoon

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