RF Thermal Energy

Front

Which of the following is a source of Thermal Energy: Sun, fire, friction, all of the above?

Back

all of the above

Front

Friction is 

Back

a force between objects in contact.

Front

All of the following produce heat energy except- A, B, C, D

Back

D

Front

All of the following things are uses of heat energy except − attracting paper clips to a magnet., hanging towels to dry in the sun after a swim., cooking dinner on the barbecue grill., rubbing your hands together when they are cold.

Back

attracting paper clips to a magnet.

Front

When a log burns in a fireplace, you can feel

Back

thermal energy

Front

When an object has heat energy, the energy

Back

moves to where there is less heat

Front

Rubbing your hands together creates friction. Friction produces

Back

Thermal Energy

Front

Which of the following objects produce Thermal Energy? A, B, C, D

Back

D

Front

Why does a jacket keep you warm in the winter?

Back

It traps body heat.

Front

What is the best way to stay cool in the summer? A. Stand in the sun. B. Stand in the shade. C. Wear heavy sweaters. D. Do not wear heavy sweaters

Back

Stand in the shade.