Review #3 24-25 Flashcard

Front

What is the energy of motion?

Back

The energy of motion is called kinetic energy. It is the energy that an object possesses due to its movement.

Front

What is an example of energy being transferred from one object to another?

Back

A hammer is used to pound a nail into a board.

Front

What is a thermal insulator?

Back

A thermal insulator is a material that does not conduct heat well, such as thick foam or thick plastic.

Front

What is a thermal conductor?

Back

A thermal conductor is a material that allows heat to pass through easily, such as metal.

Front

How does gravity affect falling objects?

Back

Gravity pulls objects toward the Earth, causing them to fall.

Front

What happens to the speed of waves when wind speed increases?

Back

When wind speed increases, the waves become taller and move faster.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object, making it slow down.

Front

What surface creates more friction: sand or concrete?

Back

Sand creates more friction than concrete.

Front

What is the effect of holding an hourglass at an angle?

Back

Holding an hourglass at an angle can slow down the flow of sand, making it take longer to fall.

Front

What happens to a floating object when waves increase in height?

Back

The floating object may be carried farther by the waves.