Ryan is testing two types of light bulbs to see how efficiently they use energy. One is a standard incandescent bulb, and one is a compact fluorescent bulb. Ryan turns both bulbs on and finds that, after an hour, the incandescent bulb is too hot to touch, while the compact fluorescent bulb is warm, but not hot. If the purpose of both bulbs is to transform electrical energy into light energy, what can Ryan infer from his findings?

The incandescent bulb is transferring more energy to its surroundings as heat.

The fluorescent bulb is producing more light than the incandescent bulb.

The fluorescent bulb is transferring more energy to its surroundings as heat.

The incandescent bulb is producing more light than the fluorescent bulb.

The pendulum has a lot of __________________________ and a little _________________________ at point B.

thermal energy, gravitational energy

thermal energy, mechanical energy

A song is playing on a radio. Which statement describes the change in the flow of energy?

Electrical energy is changed to sound energy.

Electrical energy is changed to light energy.

Sound energy is changed to light energy.

Sound energy is changed to electrical energy.

Which of the following is a true statement about energy in systems?

Energy can be transferred or transformed within the system or outside the system, but the energy cannot be destroyed.

When energy is transferred or transformed, some matter must be changed into energy to keep the total amount of energy in the system the same.

The total amount of energy in a system must be equal to the total amount of matter.

Energy can be converted into matter and vice versa.

Jackie used a portable electric drill to remove screws from a broken wooden table. He noticed that the screws holding the table together were warm to the touch after being removed from the wood. What explains this phenomenon?

Mechanical energy from the drill was converted into thermal energy due to friction.

Electrical energy from the drill was converted into chemical energy due to resistance.

Thermal energy from the drill was converted into mechanical energy due to inertia.

The process of removing the screw concentrated the thermal energy that was already present in the wood.

What is an energy change that takes place in a light bulb once it is plugged into the wall?

Electrical energy changes to light energy.

Chemical energy changes to light energy.

Chemical energy changes to heat energy.

Electrical energy changes to chemical energy.

Coal fire converts liquid water to steam. The steam rotates a mechanical turbine. The turbine spins an electric generator. The electric power is delivered over long-distance power lines. Which energy transformation occurs during this process?

Mechanical energy from the turbine is converted to electric energy in the generator.

Nuclear energy of the steam is converted to thermal energy of the turbine.

Electric energy from the generator is converted to chemical energy in the power lines.

Chemical energy from the generator is converted to electric energy in the power lines.

Energy Practice Test

Authored by Kelly Bricker

Science

6th - 8th Grade

NGSS covered

Used 117+ times

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25 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kinetic energy due to the movement of the particles (heat) in a substance.

Sound Energy

Mechanical Energy

Thermal Energy

Chemical Energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Potential energy stored in the chemical bonds of molecules.

Chemical Energy

Nuclear Energy

Thermal Energy

Electromagnetic Energy

Tags

NGSS.HS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Potential energy stored in a stretched or compressed object.

Mechanical Energy

Elastic Energy

Electrical Energy

Gravitational Energy

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ability to do work or cause change.

Matter

Pressure

Force

Energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kinetic energy of light and other forms of radiation.

Electrical Energy

Electromagnetic Energy

Nuclear Energy

Sound Energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Potential energy that depends on the height of an object.

Gravitational Energy

Chemical Energy

Elastic Energy

Sound Energy

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kinetic energy associated with the movement of an object.

Electromagnetic Energy

Gravitational Energy

Mechanical Energy

Electrical Energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

NGSS.MS-PS3-1

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Energy Practice Test

Kinetic energy due to the movement of the particles (heat) in a substance.

Potential energy stored in the chemical bonds of molecules.

Potential energy stored in a stretched or compressed object.

The ability to do work or cause change.

Kinetic energy of light and other forms of radiation.

Potential energy that depends on the height of an object.

Kinetic energy associated with the movement of an object.

Kinetic energy generated by vibrations as they travel as waves through matter.

Potential energy stored in the nucleus and released during fission or fusion.

Kinetic energy from the movement of electrically charged particles.

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