WorksheetsEnergy Spiral Review
Total questions: 62
Worksheet time: 2hrs 33mins
Name
Class
Date
1.
What is one benefit of renewable energy sources?
a)
They are only available in the summertime.
b)
Renewable energy sources contribute to global warming.
c)
Using renewable energy sources does not increase greenhouse gases.
d)
all of these
2.
What are some advantages of solar energy?
a)
There is a lot of solar energy, and it is easy to get.
b)
There is very little solar energy, and it is costly.
c)
Using solar energy creates pollution, and it is free.
d)
none of these
3.
Once a _________ source is used up, it is gone and cannot be replaced.
a)
renewable
b)
nonrenewable
4.
Which of these are renewable natural resources?
a)
sunlight
b)
wind
c)
water
d)
plastics
e)
natural gas
5.
What is a renewable resource?
a)
any fossil fuel (oil, coal, natural gas)
b)
a form of energy that cannot be replaced in a human lifetime
c)
an energy source that is naturally restored and not used up
d)
any natural resource used to make electricity
6.
What is one disadvantage of using most nonrenewable energy sources?
a)
The energy they produce cannot be stored.
b)
They produce greenhouse gases when burned.
c)
They cannot be converted to heat, light, sound, or motion.
d)
The energy sources are not available.
7.
In 2019, _____ of the electricity generated in the United States came from nuclear power.
a)
17%
b)
20%
c)
23%
d)
38%
8.
In 2019, about ______ of the electricity generated in the United States came from wind, hydro, and solar power.
a)
17%
b)
45%
c)
67%
d)
92%
9.
In 2019, ______ of the electricity generated in the United States came from fossil fuels.
a)
35%
b)
62%
c)
72%
d)
100%
10.
When a biker uses the brakes, a force called ________ slows the bike.
a)
magnetism
b)
electricity
c)
friction
d)
pulling
11.
Friction is a force that _______ the movement of an object.
a)
does not affect
b)
increases
c)
slows or stops
d)
improves
12.
What is the difference between potential energy and kinetic energy?
a)
There is no difference between the two.
b)
Kinetic energy is in motion, potential energy is stored.
c)
Potential is a form of energy; kinetic is not.
d)
Potential energy is useful, but kinetic energy is not.
13.
What type of energy does a stretched rubber band have?
a)
potential energy
b)
kinetic energy
14.
What type of energy does a skateboarder at the top of a ramp have?
a)
potential energy
b)
kinetic energy
15.
What type of energy do batteries in an electric fan have?
a)
potential energy
b)
kinetic energy
c)
stored energy
d)
both potential and stored energy
16.
The faster an object is moving, the more _________ it has.
a)
wave action
b)
potential energy
c)
gravity
d)
kinetic energy
17.
The _________ an object is moving, the more kinetic energy it has.
a)
faster
b)
slower
18.
Which of these can cause an object to change its motion?
a)
a push, a pull, or friction
b)
a collision
c)
a transfer of energy
d)
all of these
19.
Potential energy is ______________.
a)
motion, heat, or light
b)
energy of motion
c)
stored energy
d)
volume and has mass
20.
A marble is placed on a ramp. Which picture shows where the marble has the greatest potential energy?
a)
top of the ramp
b)
going down the ramp
c)
bottom of the ramp
21.
Less friction makes it __________ to stop roller blades.
a)
easier
b)
harder
22.
More friction makes it __________ to stop a bicycle.
a)
easier
b)
harder
23.
____________ is a force that slows or stops moving objects. It happens when two objects rub against each other.
a)
Gravity
b)
Magnetism
c)
Electricity
d)
Friction
24.
Over which surface will it be easiest to push a wheelchair?
a)
smooth floor
b)
brick floor
c)
dirt floor
d)
carpeted floor
25.
Why is a smooth floor easier to push a wheelchair on compared to a brick, dirt, or carpeted floor?
a)
Smooth floors provide the greatest energy.
b)
Smooth floors do not freeze in wintertime.
c)
Smooth floors provide the least friction.
d)
Smooth floors are natural and not made by humans.
26.
A sled at the top of a hill has the most potential energy _______________.
a)
halfway down the hill
b)
at the top of the hill
c)
near the bottom of the hill
d)
far away from the hill
27.
Check the FOUR things hydropower and wind power have in common.
a)
They are renewable and do not produce greenhouse gases.
b)
Their energy can be converted to mechanical energy, then electric.
c)
They are nonrenewable resources.
d)
They have been used for thousands of years.
e)
Both use wind and fossil fuels to generate electricity.
28.
Electricity is the flow of _________ through wires.
a)
magnetism
b)
fossil fuels
c)
steam
d)
energy
29.
What kind of energy is stored energy?
a)
thermal
b)
kinetic
c)
renewable
d)
potential
30.
What kind of energy is another name for heat?
a)
thermal
b)
kinetic
c)
renewable
d)
potential
31.
What kind of energy is energy in motion?
a)
thermal
b)
kinetic
c)
renewable
d)
potential
32.
Coal, oil, and natural gas are called fossil fuels because they __________.
a)
release carbon dioxide, a greenhouse gas, when they are burned
b)
store potential energy that can be transformed into electricity
c)
come from decomposed plans and animals that lived millions of years ago
d)
will be used up eventually and cannot be replaced in our lifetime
33.
A solar cooker does not use fuel but works well on a sunny day. How does a solar cooker work?
a)
It transforms food energy into kinetic energy.
b)
It converts sunlight to heat for cooking.
c)
It uses stored energy to create heat.
d)
all of these
34.
The __________ an object is moving, the more kinetic energy it has.
a)
faster
b)
slower
35.
Thermal energy is ________.
a)
sound
b)
light
c)
heat
d)
motion
e)
none of these
36.
A hamburger cooks on a hot griddle because ____________.
a)
the griddle uses heat; heat is energy, and energy causes change
b)
heat from the griddle transfers to the meat
c)
heat moves from the griddle to the uncooked meat
d)
all of these
37.
A wave transfers ________ from one place to another.
a)
water
b)
objects
c)
people
d)
energy
38.
Why are scientists working to further develop wind, water, and solar power as energy sources?
a)
These energy sources are renewable; they will not run out.
b)
Earth's supply of coal, oil, and natural gas will eventually run out.
c)
Burning fossil fuels releases carbon dioxide, a greenhouse gas.
d)
all of these
39.
What are TWO reasons why fossil fuels are called nonrenewable energy sources?
a)
They took hundreds of millions of years to form.
b)
They cannot be replaced in our lifetime.
c)
They cannot be used to generate energy.
d)
They come from fossils.
40.
Coal, oil, and natural gas are called fossil fuels because they ____________________.
a)
release carbon dioxide, greenhouse gas, when they are burned
b)
store potential energy that can be transformed into electricity
c)
come from decomposed organisms that lived many years ago
d)
will be used up eventually and cannot be replaced in our lifetime
41.
What are two disadvantages of using fossil fuels for energy?
a)
Fossil fuels depend on weather, and weather is always changing.
b)
Humans will use up Earth's fossil fuels, and they cannot be replaced.
c)
Burning fossil fuels releases carbon dioxide, a greenhouse gas.
d)
Fossil fuels do not contain the potential energy that people need.
42.
People use energy for lighting, heat, and transportation. This energy is converted from __________.
a)
unknown energy sources
b)
places where people create the energy they need
c)
gravity, magnetism, and electricity
d)
potential energy stored in fossil fuels and renewable energy sources
43.
Wind turbines, coal plants, and hydropower plants convert _________ to electricity.
a)
soil
b)
air
c)
waves
d)
motion
44.
What is energy transformation?
a)
one form of energy is converted into another form
b)
energy gets used up and then gets replaced
c)
new energy is created and used
d)
none of these
45.
Which device stores chemical energy and converts it to electricity?
a)
battery
b)
spring
c)
furnace
d)
power drill
46.
How is wind energy good for the environment?
a)
Tall wind turbines cover the landscape.
b)
Wind farms take the place of vegetable farms.
c)
Wind energy does not create pollution.
d)
Wind farms interfered with bird migration.
47.
Why is wind energy considered a renewable resource?
a)
It will not run out.
b)
It is not very expensive.
c)
It has advantages and disadvantages.
d)
It does not create pollution.
48.
Which of these shows how wind can be converted to energy people can use in their homes?
a)
thermal energy --> light energy --> potential energy
b)
electricity --> mechanical energy --> wind energy
c)
wind energy --> mechanical energy --> electricity
d)
mechanical energy --> wind energy --> thermal energy
49.
As engineers develop wind power, what constraint might they face?
a)
Only certain materials can be used to build turbines.
b)
Wind farms can only be built where there are strong consistent winds.
c)
The wind energy industry is growing in the United States.
50.
_____________________ energy sources can be used again and again without running out.
a)
Nonrenewable
b)
Renewable
51.
_____________________ energy sources will be used up, and humans cannot replace them.
a)
Nonrenewable
b)
Renewable
52.
In a playroom, a marble slowly rolls across the floor and eventually comes to a stop. In an ice rink nearby, a hockey puck soars across the rink, slams into a wall, and zooms away in another direction. Outside, an oak leaf gently floats to the ground, landing on the grass. The object with the greatest kinetic energy is the ________.
a)
marble
b)
hockey puck
c)
oak leaf
d)
none of these.
53.
Kinetic energy is the energy of (a) .
54.
Potential energy is (a) energy.
55.
Friction is a force that ___________ the movement of an object.
a)
does not affect
b)
increases
c)
slows or stops
d)
improves
56.
How do forces affect the motion of an object?
a)
If an object is at rest. a force can make it move.
b)
If an object is moving, a force can stop its motion.
c)
If an object is moving, a force can change its motion.
d)
all of these
57.
Why do scientists recommend using wind and water for energy instead of burning fossil fuels?
a)
Using renewable energy sources costs less than burning fossil fuels.
b)
Fossil fuels will be used up; renewable sources will not.
c)
Renewable energy sources do not release carbon dioxide.
d)
both B and C
58.
The faster a bowling ball rolls down an alley, the _________________.
a)
more kinetic energy it has
b)
greater its effect on gravity is
c)
fewer pins it will knock over
d)
the greater its balance is
59.
Dakota is pushing a cart loaded with boxes. What can Dakota do to make the cart go faster?
a)
Add a heavier box to the cart.
b)
Lay a carpet under the cart.
c)
Get a helper to push with her.
d)
Pull the cart instead of pushing it.
60.
________________ is a force that slows or stops two objects that are trying to move past each other.
a)
Wind
b)
Movement
c)
Friction
d)
Freezing
61.
Which surface provides the greatest amount of friction?
a)
wet floor
b)
snowy sidewalk
c)
icy road
d)
carpeted room
62.
The faster an object moves, the more ____________ it has.
a)
heat and friction
b)
pull of gravity
c)
kinetic energy
d)
light waves
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