G4 3.1

The .......... on the rover Curiosity convert solar energy into .......... energy which is used to charge its batteries.

• solar panels – electrical
• batteries – electrical
• solar panels – sound
• batteries – sound

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

• chemical
• sound
• light
• thermal

Electrical energy produced from a toy car battery can be converted into .......... and .......... energies.

• sound – solar
• kinetic – solar
• kinetic – sound

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

Curiosity rover is designed to explore ..........

• Earth
• Mars
• the Sun
• the moon

In the hair dryer, the electrical energy is converted into ........, ........ and ........ energies.

• sound – thermal – kinetic
• kinetic – light – chemical
• thermal – light – chemical
• light – sound – chemical

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

• light
• electrical
• thermal
• potential

You feel warm when you rub your hands together, because ........ energy is converted into thermal energy.

• kinetic
• light
• electrical
• sound

Plants can convert the light energy from the Sun into ........ energy which is stored in the plant in the form of sugar.

• sound
• electrical
• chemical
• kinetic