Chapter 14 Test Review

The kinetic molecular theory describes the behavior of matter in terms of particles in motion.

• True
• False

Temperature is defined as the average kinetic energy of the particles in a sample of matter.

• True
• False

Boiling occurs when the vapor pressure from a liquid is equal to the atmospheric pressure.

• True
• False

When the molecules of gases are heated, the average kinetic energy of the molecules increases.

• True
• False

Particles (molecules) in a solid have more energy than the other states of matter.

• True
• False

Molecules are closest together in a liquid

• True
• False

What force causes objects to float?

• pressure
• density
• buoyant force
• gravitational force

An amorphous solid ____.

• flows freely at any temperature
• has no true melting point
• has a repeating unit structure
• becomes less viscous as it cools

Viscosity is a measure of a fluid's ____.

• resistance to flow
• adhesive forces
• average kinetic energy
• buoyancy

Which change in state requires that energy be added to the substance?

• freezing
• deposition
• condensing
• vaporizing