Midterm study guide

Front

Which SI unit is used to measure time?

Back

The SI unit used to measure time is the second (s).

Front

What happens to an object while it is in the solid phase?

Back

In the solid phase, the temperature and kinetic energy of the object are increasing.

Front

Is a piece of paper considered matter?

Back

False. A piece of paper is considered matter because it has mass and occupies space.

Front

What is condensation?

Back

Condensation is the process of a substance changing from a gas phase to a liquid phase, not solid.

Front

What do positive ions tend to do?

Back

Positive ions tend to lose electrons.

Front

What is the definition of matter?

Back

Matter is anything that has mass and occupies space.

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion.

Front

What is the definition of temperature?

Back

Temperature is a measure of the average kinetic energy of the particles in a substance.

Front

What is the process of melting?

Back

Melting is the process of a solid turning into a liquid when heat is applied.

Front

What is the definition of a solid?

Back

A solid is a state of matter characterized by its definite shape and volume.