Science 2 Quiz

When a laptop is active, what is happening to its stored energy?

• It increases

• It decreases

• It stays the same

What is the process of transforming stored energy in a laptop battery?

• Electrical to mechanical

• Mechanical to thermal

• Chemical to electrical

What does dry ice represent?

• Solid water

• Solid nitrogen

• Solid carbon dioxide

Why does a hot-air balloon rise?

• Due to hot air

• Due to gravity

• Due to heavy gas

How does energy move when objects of different temperatures touch?

• From cooler to warmer

• From warmer to cooler

• It doesn't move

The electrical energy in the laptop changes into sound, light and heat energy.

• TRUE

• FALSE

Heat Energy can be transferred between objects by touch.

• TRUE

• FALSE

A space heater transfers energy as heat to the air around it.

• TRUE

• FALSE

Light is energy that transfers between objects with different temperatures.

• TRUE

• FALSE

Playing games on a laptop does not use any energy.

• TRUE

• FALSE