Copy of G4 3.1

In the battery of a toy car .......... energy is converted into electrical energy.

• chemical
• sound
• light
• thermal

The energy source in a toy car is the ..........

• engine
• tires
• battery
• fuel

It takes several .......... for a spacecraft to travel from Earth to Mars.

• seconds
• minutes
• days
• months

In the washing machine, the ........ energy is converted into kinetic and sound energies.

• light
• electrical
• thermal
• potential

Electric wires are made of ........

• copper
• paper
• wood
• glass

While playing a guitar, .......... energy is converted into sound energy.

• kinetic
• light
• chemical
• potential

Both the hair dryer and the electric heater produce .......... energy.

• chemical
• thermal
• electrical
• potential

Some kinetic energy is converted into .......... energy due to friction of bike’s tire with the road.

• light
• electrical
• potential
• thermal

When you use the hand bell, the .......... energy is converted into sound energy.

• light
• thermal
• kinetic
• electric

If the .......... energy doesn't go through the electric fan's wire, it will not turn on.

• sound
• electrical
• kinetic
• thermal