PSH Day 1

Matter that has a definite shape and a definite volume is:

• Solid

• Liquid

• Gas

• Plasma

A gas-like mixture with no definite volume or shape that is made up of positively and negatively charged particles is:

• Solid

• Liquid

• Gas

• Plasma

The phase change that occurs when a substance changes from a liquid to a gas is called:

• Sublimation

• Condensation

• Evaporation

The particles that make up a solid move ___ than do the particles that make up a gas.

• more slowly

• faster

• the same

The process by which a substance changes from a solid to a gas is:

• freezing

• sublimation

• evaporation

All changes of the state of matter require:

• Energy

• higher temperatures

• lower temperatures

__________ is the form of matter with the greatest amount of energy.

Which pair forms a homogeneous mixture?

• sugar and water

• oil and vinegar

Which particle diagram best represents a mixture of one element and one compound?

• A

• B

• C

A solid rubber stopper has a mass of 33.0 grams and a volume of 30.0 cm³. What is the density of rubber?