kinetic theory

Front

What does the kinetic theory state about particles?

Back

Particles are always in motion.

Front

How are particles arranged in solids?

Back

Particles are closely arranged and vibrate in fixed positions.

Front

What happens to the temperature of an object if its particles are moving very quickly?

Back

The object's temperature is probably hot.

Front

What happens to the temperature of an object if its particles are moving very slowly?

Back

The object's temperature is probably cold.

Front

What occurs to the air inside a hot air balloon when it is heated?

Back

The air inside the balloon expands.

Front

What is the state of matter where particles are closely packed and can only vibrate?

Back

Solid.

Front

What is the state of matter where particles are free to move around but are still close together?

Back

Liquid.

Front

What is the state of matter where particles are far apart and move freely?

Back

Gas.

Front

What happens to the movement of particles when a substance is heated?

Back

The movement of particles increases.

Front

What happens to the movement of particles when a substance is cooled?

Back

The movement of particles decreases.