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7I - Energy

Total questions: 85

Worksheet time: 1hrs 21mins

Name
Class
Date
1.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
2.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
3.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
4.

What is an example of a renewable resource?

a)
hydroelectric
b)
oil
c)
coal
d)
fossil fuel
5.

Fossil fuels are classified as nonrenewable fuels because they —

a)

take many, many years to be replaced

b)
require expensive equipment
c)
Can be found all over Earth's surface
d)
Provide much of the energy we use
6.

Air pollution from burning a fuel causes acid rain.  This is a disadvantage of using ____.

a)
Fossil fuels
b)
Solar
c)
Geothermal
d)
Nuclear
7.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
8.
Which is non-renewable?
a)
Wind
b)
Oil
c)
Solar
d)
Tidal
9.

How long ago were fossil fuels formed?

a)

hundreds of years

b)

tens of years

c)

millions of years

d)

thousands of years

10.
Geothermal energy is energy from 
a)
the sun
b)
heat from deep in the earth
c)
wind
d)
inexhaustable
11.

Renewable resources

a)

are man-made resources

b)
can be replaced in a short amount of time
c)
cannot be replaced 
d)

will renew immediately and are cheap to use

12.
Corn, wheat, and soybeans can be made into a substance called ethanol. In some places, ethanol is part of a mixture used to power cars and trucks. What type of alternative energy resource is ethanol?
a)
Hydroelectric
b)
Geothermal
c)
Biofuels
d)
Solar
13.

A tree converts _____ energy from the sun to _____ energy.

a)

Nuclear → Electrical

b)

Gravitational → Thermal

c)

Chemical → Motion

d)

Light→ Chemical

14.

Describe the energy conversion of a clothes tumble dryer.

a)

Chemical→ Thermal and Radiant

b)

Electrical → Elastic, Thermal and Sound

c)

Gravitational → Nuclear, Sound and Thermal

d)

Electrical → Thermal, Kinetic and Sound

15.
A device that converts electrical energy and into thermal energy.
a)
A Battery
b)
A Hair Dryer
c)
A Bicycle
d)
Your Stomach
16.

4. A group of campers create a campfire by burning several wooden logs. Which statement best describes the energy transformations that occur when the logs burn?

a)

Chemical energy from the wood is converted into light and heat energy.

b)

Heat energy from the logs is converted into chemical and light energy.

c)

Chemical energy from the air is converted into kinetic and light energy.

d)

Heat energy from the air is converted into kinetic and light energy.

17.

A student connected some wire to a battery and a small bulb to make a simple circuit. Energy from the battery is changed into electricity. What type of energy is stored in the battery?

a)

chemical

b)

nuclear

c)

heat

d)

light

18.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
19.

The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformations occur when propane gas is used to lift the balloon?

a)

Kinetic to light to chemical

b)

Chemical to kinetic to thermal

c)

Thermal to chemical to light

d)

Chemical to thermal to kinetic

20.

When you stretch a rubber band, you are storing __________ energy.

a)

kinetic

b)

elastic

c)

none of the above

d)

all of the above

21.

Where does most of the energy go in this transformation?

a)
Electrical energy
b)
Light
c)
Heat
d)
other
22.
What units are used to measure energy?
a)
Watts
b)
Newtons
c)
Joules
d)
kilowatts
23.

A kettle uses 100J of electrical energy to produce 7J of sound energy and 93J of thermal energy. How efficient is the kettle?

a)

100%

b)

7%

c)

93%

d)

95%

24.

A washing machine uses 250J of electrical energy to produce 125J of useful energy. How efficient is it?

a)

5%

b)

50%

c)

55%

d)

100%

25.

What does coal, natural gas and diesel have in common that nuclear power does not?

a)
They all involve burning.
b)
They all start with a hot material.
c)
There is spinning involved.
d)
They are all renewable resources.
26.

What energy source has this energy chain?

light-> electricity

a)

geothermal

b)

solar cell

c)

nuclear

d)

tidal

27.
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
28.
Only absorbed light from the solar panel can be converted into electricity.
a)
True
b)
False
29.

Which type of renewable energy involves fast flowing water?

a)

geothermal

b)

hydroelectric

c)

solar

d)

wind

30.

Which of the following is not a drawback to wind energy?

a)

All of them

b)

noise

c)

it is not windy all of the time

d)

not all locations are suitable

31.
Which of the following is not a fossil fuel?
a)
natural gas
b)
electricity
c)
oil
d)
petroleum
32.
What is biomass energy?
a)
any organic matter that can be used as an energy source
b)
radiant energy emitted by the sun
c)
is the heat from the Earth
d)
is a form of solar energy
33.
Nuclear is
a)
Nonrenewable
b)
Renewable
34.
Natural Gas is
a)
Renewable
b)
Nonrenewable
35.

What would happen to someone if the amount of energy they take in as food is greater than the amount of energy their body uses?

a)

gain weight

b)

lose weight

c)

stay at the same weight

d)

both lose and gain weight

36.

Put these people in order from of how much energy they need from the lowest to highest

a)

fire fighter, office worker, 18 year old, baby

b)

baby, fire fighter, office worker, 18 year old

c)

baby, office worker, 18 year old, fire fighter

d)

baby, 18 year old, office worker, fire fighter

37.

Which of the following is NOT a store of chemical energy

a)

nuclear fuel

b)

a battery

c)

natural gas

d)

coal and oil

38.

Why are biofuels considered to be renewable?

a)

It won't run out. We can grow more if it's needed.

b)

It will run out, but not for a long time.

c)

It takes a long time to grow.

d)

It doesn't cause pollution.

39.

Which renewable energy source can be used all of the time?

a)

hydroelectric power

b)

solar power

c)

wind power

d)

wave power

40.

Which renewable energy source does NOT get it's energy from the Sun?

a)

geothermal power

b)

wind power

c)

hydroelectric power

d)

solar power

41.

What are the benefits of buying energy efficient machines?

a)

They are cheaper to buy.

b)

The are cheaper to use because they need less energy.

c)

They reduce how much fossil fuels we use.

d)

They last longer

42.

People who dig holes in the road need a lot of energy stored in their food because:

a)

they have long tea breaks

b)

they always forget their sandwiches.

c)

they sometimes have to work in the rain.

d)

they transfer a lot of energy while they work.

43.

You can find out how much energy is in a peanut by:

a)

burning it, and seeing how hot it makes a test tube of water.

b)

eating it, and seeing how full you feel.

c)

weighing it.

d)

seeing what colour it is.

44.

Fossil fuels are non-renewable fuels because:

a)

they give out heat when they burn.

b)

they were formed from fossils.

c)

they are expensive.

d)

they cannot be replaced once they are burnt.

45.

Electricity is not a fuel because:

a)

it has to be generated using other energy resources.

b)

it is easy to switch on and off

c)

it cannot be used to make cars run.

d)

it can burn you.

46.

A biofuel is:

a)

non-renewable.

b)

any fuel made from plant or animal material.

c)

a fuel made from plant material only.

d)

a fuel made from animal material only.

47.

Which renewable resources are available at any time?

a)

hydroelectricity and geothermal

b)

solar and wind

c)

tidal and wave

d)

biofuels and solar energy

48.

Which statement is true?

a)

Coal has energy stored in it because it is black.

b)

Fossil fuels have energy stored in them because the animals that became fossils ran around a lot.

c)

Coal has energy stored in it because it is warm inside the Earth.

d)

The plants that formed coal got their energy from the Sun.

49.

Which of these energy resources does not originally come from the Sun?

a)

wind energy

b)

solar power

c)

fossil fuels

d)

geothermal energy

50.

Why do we need to burn fewer fossil fuels?

a)

Burning fossil fuels is contributing to climate change.

b)

Electricity is running out.

c)

To pay for new cars.

d)

Energy is cheap.

51.

How could we use less fuel for cooling our homes?

a)

Keep the house warmer and open the windows.

b)

Keep the house cooler and wear a jumper.

c)

Make sure we leave the aircon on when we are out.

52.

A name used to describe energy when it is stored in objects in high places that can fall down.

a)

kinetic energy

b)

strain energy

c)

gravitational potential energy

d)

elastic potential energy

53.

When energy is moved from one store into another or from one place to another we say it is

a)

gone

b)

transferred

c)

stored

d)

changed

54.
Energy that comes from the nucleus of an atom. A form of potential energy.
a)
chemical energy
b)
Nuclear energy
c)
Sound energy
d)
Electrical energy
55.
The ability to do work is
a)
power
b)
energy
c)
thermal
d)
kinetic
56.

Total energy = 200J
Useful energy = 20J

Workout the efficiency of this lightbulb.
efficiency = useful enegytotal energy in ×100efficiency\ =\ \frac{useful\ enegy}{total\ energy\ in}\ \times100  

a)

100%

b)

80%

c)

40%

d)

10%

57.

Fossil fuels are formed from:

a)

water.

b)

electricity.

c)

dead plants and animals.

d)

rocks.

58.

Which statement is true?

a)

Coal has energy stored in it because it is black.

b)

Fossil fuels have energy stored in them because the animals that became fossils ran around a lot.

c)

Coal has energy stored in it because it is warm inside the Earth.

d)

The plants that formed coal got their energy from the Sun.

59.

A roller coaster at the top of a hill has energy in this energy store.

a)

Gravitational Potential

b)

Thermal

c)

Elastic Potential

d)

Chemical

60.

Energy stored in the nucleus of an atom

a)

Nuclear

b)

Magnetic

c)

Electrostatic

d)

Chemical

61.

In a battery-operated radio which energy transfers are taking place?

a)

Sound

b)

Chemical

c)

Electrical

d)

All 3

62.

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

63.

These fossil fuels are formed from the remains of small organisms that lived in the ocean. Choose all the correct ones

a)

natural gas

b)

coal

c)

oil

d)

steam

64.

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

65.
Fossil fuels are classified as nonrenewable because they.......
a)
require expensive equipment
b)
take millions of years to replace
c)
can be found all over 
d)
provide all the energy we use
66.
What is the most plentiful fossil fuel? 
a)
Oil
b)
Natural Gas
c)
Petroleum 
d)
Coal
67.
The cleanest burning fossil fuel is ______.
a)
coal
b)
oil
c)
wind
d)
natural gas
68.
What is the word for the nutrition information printed on the side of a food container?
a)

nutrition label

b)

nutritions values

c)

food additives

d)

food sticker

69.

The energy from dead plants and animals become the ______ energy in coal and oil.

a)

chemical

b)

electrical

c)

kinetic

70.
Climate change causes extreme weather conditions such as:
a)
Flooding
b)
Heat Waves
c)
Hurricanes
d)
All of the above
71.
Which human activity contributes the MOST carbon dioxide to the atmosphere?
a)
Fishing
b)
Breathing
c)
Burning Fossil Fuels
d)
Farming
72.

Possible human solutions for limiting global warming and climate change are...

a)

being more energy-efficient

b)

using renewable sources of energy

c)

removing carbon from fossil fuel emissions

d)

all of the above

73.
The process of energy changing from one form into another
a)
efficency
b)
law of conservation of energy
c)
energy transformation
d)
thermal energy
74.
Efficiency is...
a)
The percentage of energy that is actually used to do work
b)
The stuff in the walls that keeps energy in
75.

Which of the following are non-renewable energy sources?

a)

solar

b)

wind

c)

uranium

d)

natural gas

e)

oil

76.
Stored energy is called ______ energy.
a)
Kinetic
b)
Potential
c)
Pacific
d)
Safe
77.
      Electricity is not a fuel because:
a)
      it has to be generated using other energy resources.
b)
      it is easy to switch on and off.
c)
      it cannot be used to make cars run.
d)
      it can burn you.
78.
      How could we use less fuel for heating our homes?
a)
      Keep the house warmer and open the windows.
b)
      Keep the house cooler and wear a jumper.
c)
      Make sure we leave the heating on when we are out.
d)
      Turn the heat up at night, so we don’t need blankets on the bed.
79.
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
80.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
81.
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
82.
An apple hanging from the branch of a tree falls down.  How does its energy change as it falls?
a)
The kinetic energy of the apple changes to potential energy.
b)
The potential energy of the apple changes to kinetic energy.
c)
The kinetic energy of the apple remains constant.
d)
The potential energy of the apple remains constant.
83.
At which point will the skater have the least potential energy?
a)
Point A
b)
Point B
c)
Point C
d)
Point A and C
84.

As a little girl slides from the top of a slide to the bottom, her potential energy _______________ (increases or decreases), and her kinetic energy ________________ (increases or decreases).

a)

decreases, dcreases

b)

increases, increases

c)

increases, decreases

d)

decreases, increases

85.

When potential energy is high, kinetic energy is _______________?

a)

high

b)

equal

c)

low

d)

greater than

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