Energy Concepts Quiz

What does the Law of Conservation of Energy state?

• Energy can be created and destroyed.

• Energy cannot be transferred from one form to another.

• Energy cannot be created or destroyed, only transferred or transformed.

• Energy is always lost during transformations.

Which of the following is an example of the Law of Conservation of Energy?

• A book disappearing when burned.

• A moving car stopping and losing all its energy.

• A stretched rubber band storing potential energy, which converts to kinetic energy when released.

• A machine that creates energy from nothing.

A hydroelectric power plant primarily converts:

• Chemical energy to light energy.

• Kinetic energy to electrical energy.

• Thermal energy to nuclear energy.

• Sound energy to potential energy.

A battery-powered toy car converts stored energy into which type of energy?

• Heat energy

• Nuclear energy

• Chemical energy into kinetic energy

• Sound energy into electrical energy

What happens to energy in a battery-powered flashlight?

• Electrical energy is destroyed.

• Electrical energy transforms into light and heat energy.

• Light energy is converted into electrical energy.

• Chemical energy disappears.

A toaster transforms electrical energy into:

• Chemical energy

• Nuclear energy

• Heat and light energy

• Gravitational potential energy

What is an example of energy transformation in a wind turbine?

• Heat energy to sound energy

• Kinetic energy to electrical energy

• Nuclear energy to chemical energy

• Sound energy to light energy

What is energy transfer?

• The disappearance of energy.

• The movement of energy from one object or system to another.

• The conversion of mass into energy.

• The destruction of energy.

Which energy transformation occurs in a bouncing ball?

• Kinetic energy → Gravitational potential energy → Kinetic energy

• Chemical energy → Kinetic energy

• Electrical energy → Heat energy

• Light energy → Sound energy

What types of energy are involved in a moving car?

• Light energy and nuclear energy

• Kinetic energy and heat energy

• Sound energy and electrical energy

• Potential energy and nuclear energy