Semester Review PS-2024

Front

What happens to the particles of a liquid when the temperature increases?

Back

The velocities of the particles increase, but the space between the particles remains the same.

Front

Where does a roller coaster have the greatest potential energy?

Back

At the highest point of the track.

Front

What is the process of ice turning into water and then into steam called?

Back

Solid to liquid to gas.

Front

How do kinetic energy and potential energy behave as a cannonball travels through the air?

Back

They are constantly changing.

Front

What property of certain elements makes them useful in electronic equipment?

Back

They can be made to conduct electricity under certain conditions.

Front

Define kinetic energy.

Back

The energy an object possesses due to its motion.

Front

Define potential energy.

Back

The energy stored in an object due to its position or state.

Front

What is the relationship between temperature and particle velocity in liquids?

Back

As temperature increases, particle velocity increases.

Front

What is the significance of valence electrons in elements?

Back

Valence electrons determine how an element can bond and react with other elements.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.