Which state of matter has particles packed closely together and vibrating in place?

• Solid

• Liquid

• Gas

• Plasma

What happens to the particles of a liquid when it freezes?

• They move faster

• They move apart

• They vibrate in fixed positions

• They form gas

Which of the following best describes a gas?

• Definite shape, definite volume

• Definite shape, no volume

• No shape, definite volume

• No shape, no volume

The spacing between particles is greatest in which state?

• Solid

• Liquid

• Gas

• Plasma

Which of these processes involves a gas turning into a liquid?

• Evaporation

• Freezing

• Condensation

• Melting

During melting, what type of energy is absorbed?

• Light

• Chemical

• Heat

• Sound

Which state change involves the greatest increase in particle movement?

• Freezing

• Condensation

• Melting

• Boiling

Which process causes ice to turn directly into vapor?

• Condensation

• Deposition

• Sublimation

• Evaporation

What best describes condensation?

• Solid to gas

• Gas to liquid

• Liquid to gas

• Liquid to solid

When water boils, what happens to its particles?

• They slow down

• They stick together

• They move more rapidly and spread apart

• They freeze