# Energy Unit Test

60 Questions | Total Attempts: 282  Settings  Unit Test on Energy for 9th Grade Physical Science at San Miguel High School.

• 1.
What is energy?
• A.

The attraction between like objects

• B.

Mass times acceleration

• C.

The ability to do work, cause change, and/or produce heat.

• D.

Momentum

• 2.
The Law of Conservation of Energy states that
• A.

Energy should not be put in landfills

• B.

Energy can be created and destroyed, but never changes form

• C.

Energy stored in fossil fuels will last forever

• D.

Energy cannot be created or destroyed, only changes form

• 3.
Which situation below is an example of energy being transferred?
• A.

A footstep makes sound that travels through air in compresison packets and makes your eardrum vibrate

• B.

A flash light is turned on converting electrical energy into light and heat

• C.

A magnet is attached to an end of a nail which is attached to a battery. A wire connected to the battery touches the edge of the magnet, causing it to spin.

• D.

All of the above.

• 4.
What is kinetic energy?
• A.

Energy of stored in position

• B.

Energy stored in chemical bonds

• C.

Energy stored in bonds between atoms

• D.

Energy of motion

• 5.
How does speed affect kinetic energy?
• A.

Speed really does not affect kinetic energy.

• B.

An increase in speed increases kinetic energy.

• C.

An increase in speed decreases kinetic energy.

• D.

An increase in speed only affects kinetic energy in some situations.

• 6.
How does mass affect kinetic energy?
• A.

Mass does not really affect kinetic energy.

• B.

An increase in mass will increase kinetic energy.

• C.

A decrease in mass will increase kinetic energy.

• D.

An increase in mass will cause kinetic energy to become zero.

• 7.
What is potential energy?
• A.

Energy stored in position

• B.

Energy of motion

• C.

• D.

Force moved through a distance

• 8.
How does mass affect potential energy?
• A.

Mass really does not affect potential energy.

• B.

Mass turns into light when an object is at rest.

• C.

An increase in mass will increase the potential energy.

• D.

An increase in mass will decrease the potential energy.

• 9.
How does height affect potential energy?
• A.

Height really does not affect potential energy.

• B.

The higher an object is, the more potential energy it has.

• C.

The lower an object is, the more potential energy it has.

• D.

If an object is too high, its potential energy will be zero.

• 10.
How does chemical energy differ from nuclear energy?
• A.

Chemical enregy is stored in bonds between atoms; nuclear energy is stored within the atom.

• B.

Chemical energy and nuclear energy are both the same thing.

• C.

Chemical energy is only endothermic; nuclear energy is only exothermic.

• D.

Chemical energy is never dangerous; nuclear energy is always dangerous.

• 11.
What is thermal energy?
• A.

The energy of attraction between magnets.

• B.

The energy stored in long underwear.

• C.

The energy of moving particles in a substance.

• D.

Force divided by acceleration.

• 12.
• A.

Energy stored in position.

• B.

Energy of motion.

• C.

Energy carried by light.

• D.

Energy that causes explosions.

• 13.
What is electrical energy?
• A.

Energy of motion.

• B.

Energy stored in position.

• C.

Energy carried by moving electrons.

• D.

Energy of attraction between masses.

• 14.
Which of these is not a renewable energy?
• A.

Fossil fuels

• B.

Solar

• C.

Moving water

• D.

Wind

• 15.
Which of these describes fossil fuels?
• A.

Ancient organisms buried their fires so we could use the energy later.

• B.

Ancient organisms died. Millions of years of extreme heat and pressure converted their remains into fuel sources we use by burning.

• C.

Ancient organisms converted their emotions into heat and light.

• D.

Ancient organisms floating on the ocean surface are collected. Because they never decayed, we can burn them now for fuel.

• 16.
What are three types of fossil fuels?
• A.

Uranium, light rays, coal

• B.

Uranium, natural gas, and sunlight

• C.

Coal, oil, and natural gas

• D.

Coal, oil, and sunlight

• 17.
Which is a disadvantage of nuclear energy?
• A.

It is only available when the sun is shining.

• B.

It results in radioactives wastes that are dangerous.

• C.

It is noisy.

• D.

It is replenished continually.

• 18.
What does geothermal mean?
• A.

Rotation of the earth.

• B.

Light converted into electricity.

• C.

Heat coming from within the earth.

• D.

The temperature of rocks.

• 19.
What does hydroelectric mean?
• A.

Electricity produced by organisms decaying in stagnant pools of water.

• B.

Electricity produced by the motion of water.

• C.

Electricity produced to keep water in containers and behind dams.

• D.

Electricity produced during storms.

• 20.
What are renewable resources?
• A.

Fuels that cannot be used up by humans.

• B.

Fuels burried in the ground that come from the decay of ancient organisms

• C.

Fuels that reach the earth from outerspace

• D.

Fuels that can be put back after its been used

• 21.
What is a photovoltaic?
• A.

A device that converts pictures into voltages

• B.

A device that converts light into electricity

• C.

A device that converts water into heat

• D.

A device that converts motion into light

• 22.
What is work?
• A.

A mass is acted upon by gravity.

• B.

A force causes an object to hold still.

• C.

A force causes an object to move over a distance.

• D.

An attraction between molecules.

• 23.
KE = 1/2 mv2 is the formula for
• A.

Potential energy

• B.

Kinetic energy

• C.

Work

• D.

None of these

• 24.
Ms. Van Rhoads lifts a book from the ground to a distance 1.5 m from the ground.  During the process of lifting, does she do work?
• A.

Yes

• B.

No

• 25.
Ms. Van Rhoads kicks the wall very hard but it does not move.  Does she do work on the wall?
• A.

Yes.

• B.

No.

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