Quiz about Year 8 Energy Quiz

Question 1

What kind of energy is represented in this picture?

Accepted Answer

Thermal

Answer

Potential

Answer

Nuclear

Answer

Mechanical

Question 2

Which is an example of light energy?

Accepted Answer

flash light

Answer

lawn mower

Answer

blender

Answer

speaker

Question 3

The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?

Accepted Answer

chemical to light

Answer

thermal to light

Answer

gravitational to potential

Answer

radiant to electrical

Question 4

What type of energy is in this picture?

Accepted Answer

Potential

Answer

Kinetic

Answer

Chemical

Answer

Sound

Question 5

Elastic potential energy is energy stored in an object, such as a spring, due to the object being stretched or compressed. In which position is it most likely that the spring has lost its elastic potential energy?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 6

What is the main difference between renewable and non-renewable energy sources?

Accepted Answer

Renewable energy sources can be used over and over again, while non-renewable sources are finite.

Answer

Non-renewable energy sources are always cleaner than renewable sources.

Answer

Renewable energy sources are more expensive than non-renewable sources.

Answer

Non-renewable energy sources can be regenerated within a human lifetime.

Question 7

Which of the following is a form of energy?

Accepted Answer

Heat

Answer

Plastic

Answer

Wood

Answer

Water

Question 8

During photosynthesis, what type of energy transformation occurs?

Accepted Answer

Solar to chemical

Answer

Chemical to electrical

Answer

Electrical to thermal

Answer

Mechanical to electrical

Question 9

Which of the following best compares kinetic and potential energy?

Accepted Answer

Kinetic energy is energy of motion, while potential energy is stored energy.

Answer

Kinetic energy is stored energy, while potential energy is energy of motion.

Answer

Both kinetic and potential energy are forms of thermal energy.

Answer

Kinetic energy can only be found in liquids, while potential energy is only in solids.

Question 10

Which of the following is a non-renewable energy source?

Accepted Answer

Coal

Answer

Solar power

Answer

Wind power

Answer

Hydroelectric power

Question 11

What is the SI unit of energy?

Accepted Answer

Joule

Answer

Newton

Answer

Watt

Answer

Pascal

Question 12

If an object is held above the ground, it has:

Accepted Answer

Potential energy

Answer

Kinetic energy

Answer

Thermal energy

Answer

Electrical energy

Question 13

A ball rolling down a hill is an example of:

Accepted Answer

Potential energy being converted into kinetic energy

Answer

Kinetic energy being converted into potential energy

Answer

Thermal energy being converted into mechanical energy

Answer

Electrical energy being converted into mechanical energy

Question 14

Which of the following is NOT a method of heat transfer?

Accepted Answer

Insulation

Answer

Conduction

Answer

Convection

Answer

Radiation

Question 15

What type of heat transfer occurs in fluids (gases and liquids)?

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Answer

Insulation

Question 16

Solar panels convert what type of energy into electrical energy?

Accepted Answer

Solar

Answer

Wind

Answer

Thermal

Answer

Chemical

Question 17

Which of the following is an example of chemical energy?

Accepted Answer

Food

Answer

Movement of a car

Answer

Light from a bulb

Answer

Sound from a speaker

Question 18

What happens to the potential energy of an object as it falls towards the ground?

Accepted Answer

It is converted into kinetic energy

Answer

It increases

Answer

It decreases

Answer

It remains the same

Question 19

Which of the following energy sources is considered the cleanest?

Accepted Answer

Wind

Answer

Coal

Answer

Natural gas

Answer

Nuclear

Question 20

What is the primary source of Earth's renewable energy?

Accepted Answer

The Sun

Answer

The Moon

Answer

The Oceans

Answer

The Earth's core

Question 21

In an electric circuit, electrical energy is transformed into:

Accepted Answer

Light and thermal energy

Answer

Only light energy

Answer

Only thermal energy

Answer

Mechanical energy

Question 22

Which of the following is a characteristic of energy?

Accepted Answer

It can neither be created nor destroyed, only transformed.

Answer

It can be created but not destroyed.

Answer

It can be destroyed but not created.

Answer

It can be created and destroyed at will.

Question 23

What is the main advantage of using renewable energy sources over non-renewable sources?

Accepted Answer

They have a lesser impact on the environment.

Answer

They are cheaper in the short term.

Answer

They produce more energy.

Answer

They are more reliable.

Question 24

Which of the following is an example of kinetic energy?

Accepted Answer

Running water

Answer

A compressed spring

Answer

A book on a shelf

Answer

A charged battery

Question 25

What unit is used to measure the rate of energy transfer?

Accepted Answer

Watt

Answer

Joule

Answer

Newton

Answer

Pascal

Question 26

Which of the following is true about the transference of heat energy?

Accepted Answer

It only occurs from warmer objects to cooler ones.

Answer

It only occurs from cooler objects to warmer ones.

Answer

It can occur in a vacuum.

Answer

It requires a medium like air or water to transfer.

Question 27

What is the process called when heat is transferred through a solid by direct contact of its particles?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Insulation

Question 28

Which of the following renewable energy sources does not directly depend on the Sun?

Accepted Answer

Geothermal power

Answer

Wind power

Answer

Solar power

Answer

Hydroelectric power

Question 29

What is the potential energy of an object dependent on?

Accepted Answer

Its height

Answer

Its speed

Answer

Its temperature

Answer

Its weight

Question 30

Which of the following is a characteristic feature of non-renewable energy sources?

Accepted Answer

They contribute significantly to pollution.

Answer

They can regenerate quickly.

Answer

They are mostly derived from organic materials.

Answer

They are unlimited in supply.

Question 31

What does the law of conservation of energy state?

Accepted Answer

The total amount of energy in a closed system remains constant.

Answer

Energy can be created during chemical reactions.

Answer

Energy can be destroyed when it is not needed.

Answer

Energy within a closed system decreases over time.

Question 32

Which type of energy transfer involves mass movement of a fluid?

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Answer

Insulation

Question 33

What is the main disadvantage of non-renewable energy sources?

Accepted Answer

They can cause environmental damage.

Answer

They are too expensive to extract.

Answer

They are unlimited in supply.

Answer

They are difficult to transport.

Question 34

Which of the following is an example of potential energy being converted into kinetic energy?

Accepted Answer

A roller coaster at the top of a hill starting to move down

Answer

Freezing water into ice

Answer

A car battery powering the car's headlights

Answer

Boiling water on a stove

Question 35

What is the primary way that heat energy is transferred from the Sun to the Earth?

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Answer

Insulation

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