Semester Exam Review

Front

What type of heat transfer occurs when warm air rises and cool air sinks?

Back

Convection

Front

What type of heat transfer takes place in liquids and gases?

Back

Convection

Front

What does kilometers per hour (kph) measure?

Back

Speed

Front

Is H2 considered both an element and a molecule?

Back

True

Front

What is the net force if the forces acting on an object are balanced?

Back

0 N

Front

What is the definition of conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is radiation in terms of heat transfer?

Back

The transfer of heat through electromagnetic waves.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is thermal equilibrium?

Back

The state in which two objects in contact no longer transfer heat to each other.