grade 4 C les 1

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.

• mechanical - sound - solar

• mechanical - sound - thermal

• mechanical - thermal - solar

• sound - thermal - solar

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

We can convert the solar energy into different forms of energy. 

• true

• flase

A toy car can continue moving even after its battery runs out. 

• true

• false

Curiosity is a vehicle that travels across the surface of the planet Mars. 

• true

• false

Mars is located a few meters away from Earth. 

• true

• false

Without electrical energy, Mars rover Curiosity cannot move or communicate with Earth.

• true

• false