Science (Physics) y7

Front

What two things determine the gravity of an object?

Back

Mass and distance.

Front

What is an example of thermal energy?

Back

Heat from a fire.

Front

Sound travels in a ___ wave.

Back

Compressional.

Front

Electrons are _____________ charged.

Back

Negative.

Front

What is the symbol for a Cell?

Back

Cell symbol.

Front

What is mass?

Back

The amount of matter in an object.

Front

What is weight?

Back

The force exerted by gravity on an object.

Front

What is thermal energy?

Back

The energy that comes from the temperature of matter.

Front

What is a compressional wave?

Back

A wave where particles move in the same direction as the wave.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter; weight is the force of gravity on that mass.