Naming types of energy

Question 1

When you turn on a torch (flashlight), which sentence correctly describes the energy transfer that happens?

Accepted Answer

The chemical energy in the battery changes into electrical energy, which then changes into light energy.

Answer

The light energy from the bulb changes into chemical energy stored in the battery.

Answer

The electrical energy in the wires is stored as heat energy inside the battery.

Answer

The chemical energy in the battery changes directly into light energy without any other form.

Question 2

Which list correctly names the type of energy stored in each object?

Accepted Answer

Battery – chemical energy; stretched spring – potential energy; moving ball – kinetic energy.

Answer

Battery – electrical energy; stretched spring – kinetic energy; moving ball – potential energy.

Answer

Battery – stored energy; stretched spring – heat energy; moving ball – light energy.

Answer

Battery – chemical energy; stretched spring – kinetic energy; moving ball – potential energy.

Question 3

When Ben plugs in a small electric toaster and pushes the lever, which sentence correctly describes the energy transfer and energy transformation that happen before the toast pops up?

Accepted Answer

Electrical energy from the wall outlet is transferred through the wires to the heating elements, where it is transformed into heat energy that toasts the bread.

Answer

Electrical energy from the outlet is transformed directly into light energy that cooks the bread.

Answer

Heat energy already inside the toaster is transferred to the bread, turning the heat into chemical energy stored in the toast.

Answer

Chemical energy stored in the bread is transferred to the heating elements, where it is transformed into electrical energy.

Try three questions

When you turn on a torch (flashlight), which sentence correctly describes the energy transfer that happens?

Which list correctly names the type of energy stored in each object?

When Ben plugs in a small electric toaster and pushes the lever, which sentence correctly describes the energy transfer and energy transformation that happen before the toast pops up?

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