Semester Exam Review

Front

What happens to the temperature of a substance when its particles move slower?

Back

The colder it is.

Front

Why do winds at the beach change direction between day and night?

Back

Because the temperatures over land and over water change.

Front

What is condensation?

Back

The process of gas changing to liquid.

Front

What is heat transfer by radiation?

Back

Heat transfer through electromagnetic waves, such as cooking a hotdog in a microwave.

Front

Why does warm air rise?

Back

Warm air is less dense than cooler air.

Front

What is the definition of density?

Back

Density is the mass of a substance divided by its volume.

Front

What is the process of evaporation?

Back

The process of liquid changing to gas.

Front

What is convection?

Back

Heat transfer through the movement of fluids (liquids or gases).

Front

What is the water cycle?

Back

The continuous movement of water through evaporation, condensation, and precipitation.

Front

What is thermal energy?

Back

The total energy of all the particles in a substance.