Solids, Liquids, and Gases and How They Behave

As temperature rises ___________.

• an atom's kinetic energy stays the same

• an atom's kinetic energy increases

• an atom's kinetic energy decreases

• an atom's mass increases

Tags

NGSS.HS-PS3-2

According to the assumptions of the Kinetic Molecular Theory, atoms's attraction towards other atoms is ________________.

• greater when they are close together.

• greater when they are far apart.

• the same at all distances

• atoms do not attract each other

Tags

NGSS.HS-PS2-4

If a solid, liquid, and a gas are at the same temperature, which has the strongest attractions between its atoms?

• Solid

• Liquid

• Gas

Which phase change requires breaking the attraction between molecules?

• Freezing (Liquid to Solid)

• Melting (Solid to Liquid)

• Deposition (Gas to Solid)

• Condensation (Gas to Liquid)

Which of the following is an assumption of the kinetic-molecular theory of gases?

• Collisions between gas particles are inelastic.

• Gases consist of closely spaced particles.

• Gas particles move around in an orderly manner.

• The temperature of a gas depends on the average kinetic energy of the gas particles.

Which states of matter are fluid?

• gases and liquids

• liquids and solids

• gases only

• liquids only

What kind of energy is added to or removed from matter to cause a phase change?

• Radiation
• Heat
• Solar
• Wind

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

change from liquid to gas is called....

• expansion
• evaporation
• condensation
• sublimation

Tags

NGSS.MS-PS1-4

What happens to particles when heat is removed from them?

• They speed up and spread out
• They slow down and get closer together
• They stop moving
• They move closer together and speed up

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts