Which of the following forms of energy is used to power a computer?

Campfires are sometimes used to cook food. Which type of energy from the campfire cooks the food?

Which of the following devices is designed to change mechanical energy to sound energy?

A lamp is plugged into an outlet. When the lamp is turned on and the bulb is lit, the circuit demonstrates which of the following?

A hand generator can light a light bulb. Turning the handle of the generator causes the bulb to light up. This device changes what type of energy into what other type?

A lamp uses electrical energy to produce what two other kinds of energy?

Which form of energy allows us to see our reflection in a mirror?

Hot-air balloons rise when a burner, positioned under the opening of the balloon, uses propane to create a blast of fire. What form of energy causes a hot-air balloon to rise into the air?

All of the following are examples demonstrating mechanical energy EXCEPT –

Headphones get electrical energy from the device to which they are attached. The headphones change this energy into what other kind of energy?

A lamp is plugged into the wall. What form of energy does the lamp use to produce light?

All of the following devices produce light energy EXCEPT –

Which is an example of how humans use sound energy?

A student observed that sugar in hot water dissolved more quickly than in cold water. The student was investigating the effects of what form of energy?

A wind up frog is a toy. If a child winds the handle, the toy frog flips over. This toy demonstrates what kind of energy?

Food and batteries are examples of -

Energy produced by vibration

Energy produced from moving electrons

Energy produced by moving particles (heat energy)

Energy that can be detected by sight

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