States of Matter and Energy

What happens to the temperature of a substance while it is melting or freezing?

• It increases.

• It decreases.

• It remains constant.

• It fluctuates.

What is the process called when a gas changes to a liquid?

• Evaporation

• Condensation

• Sublimation

• Freezing

What is the definition of a solid?

• Matter with a definite shape and a definite volume

• Matter with a definite volume, but no definite shape

• Matter with no definite shape or volume

• Matter that can only exist at low temperatures

What happens to water vapor in the atmosphere when it condenses?

• It forms ice.

• It forms dew.

• It evaporates.

• It turns into gas.

What is vaporization?

• The change in state of a liquid into a gas

• The change in state of a gas into a liquid

• The change in state of a solid into a liquid

• The change in state of a gas into a solid

What happens to particles when energy is added to a substance?

• Particles move slower and closer together

• Particles move faster and spread out

• Particles stop moving

• Particles become solid

What is the boiling point?

• The temperature at which a solid turns into a liquid

• The temperature at which a liquid turns into a gas

• The temperature at which a gas turns into a liquid

• The temperature at which a liquid turns into a solid

What happens to the potential energy of particles as the distance between them increases?

• It decreases

• It stays the same

• It increases

• It disappears

What is kinetic energy related to?

• Particle speed

• Distance between particles

• Temperature

• State of matter

What is the definition of "attraction" in the context of particles?

• A force that repels things

• A force that brings things together

• A force that changes color

• A force that increases temperature