revision G4 part 2

The unusable energy that produced from the electric lamp... energy

• potential

• chemical

• light

• thermal

The input energy used to control the Mars exploration vehicle Is... energy

• electric

• light

• kinetic

• mechanical

The produced energy from radio that reflects its main function is ..... energy

• electric

• sound

• light

• chemical

Energy is the ability to do work. Which of the following is considered energy?

• air

• car

• water

• electricity

The input energy when using the hair dryer is the ........ energy

• electrical

• potential

• kinetic

• thermal

When you turn on a light bulb, the electrical energy travels through .... until reaching the bulb.

The produced... energy doesn't help the blender do its job.

When a piece of coal is burnt, ... Energy is produced.

To keep playing with the toy car, we have to ....... the batteries.

.... is considered as the main resource of energy on Earth's surface