Test 9

At higher temperatures

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

Freezing

• Solid to gas

• Liquid to solid

• Gas to solid

Particles in a ______________________ move quickly and are far apart.

• gas

• solid

• liquid

The state of matter that has no definite size or shape is

• Solid

• Liquid

• Gas

Particles of a liquid

• are tightly packed together and stay in a fixed position.

• are free to move around one another but still touch.

What is condensation?

• gas to solid

• gas to liquid

• liquid to solid

The slower the particles in a substance move,

• the colder it is.

• the warmer it is.

• the more energy it has.

The temperature of a substance increases as___.

• the substance expands
• the average kinetic energy of its particles increases
• the substance's volume increases
• the substance's mass increases

Has a definite volume but not a definite shape

• Solid

• Liquid

• Gas

Liquid to Gas

• Condensation

• Evaporation

• Sublimation