primary 4 - concept 3.1

in remote-controlled toy cars ................... energy inside the battery converts into electric energy.

• chemical

• sound

• thermal

• kinetic

in remote-controlled toy cars chemical energy inside the battery converts into .................energy that converts into kinetic and sound energy.

• electric

• sound

• thermal

• kinetic

in remote-controlled toy cars chemical energy inside the battery converts into electric energy that converts into .......................and sound energy.

• electric

• chemical

• thermal

• kinetic

In mars rover curiosity solar panels converts solar energy into ....................... that is converted into kinetic energy.

• electric

• sound

• thermal

• kinetic

Space crafts take about ...................... to get to Mars.

• six days

• six years

• six months

• six minutes

The input energy in a hair dryer is ..................... energy.

• electric

• sound

• thermal

• kinetic

The output energy in a hair dryer is ..................... energy.

• electric

• nuclear

• thermal

• chemical

The output energy in a soap dispenser is ..................... energy.

• electric

• nuclear

• kinetic

• chemical

The input energy in a soap dispenser is ..................... energy.

• electric

• potential

• kinetic

• chemical

The input energy in a washing machine is ..................... energy.

• electric

• potential

• kinetic

• chemical