CP - Unit 3 (Phases of Matter)

Which of the following describes a solid?

• Particles can move freely

• Particles move in random motion

• Particles vibrate back and forth

• Particles are as far apart as possible

If a substance has a definite volume, but no definite shape, what state of matter is it?

• Solid

• Liquid

• Gas

• Plasma

What is the most common state of matter in the universe?

• Gas

• Liquid

• Solid

• Plasma

What happens to temperature during a phase change?

• Temperature increases

• Temperature decreases

• Temperature doesn't change

• Temperature increases or decreases depending on the phase change

Which term refers to the amount of energy it takes for water to freeze?

• Heat of Melting

• Heat of Sublimation

• Heat of Vaporization

• Heat of Fusion

Which of the following shows the particles arranged in a liquid?

• Left

• Middle

• Right

• All of them

If I transfer a substance to a small container to a large container, and it takes the shape of the new container, what state of matter is it?

• Liquid

• Solid

• Gas

• Plasma

How should a gas be defined?

• Definite shape & volume

• Definite shape, indefinite volume

• Definite volume, indefinite shape

• Indefinite shape & volume

What does the kinetic theory of matter tell us?

• Particles only move in liquids and gases since they are fluid

• Particles are in constant motion

• Particles only move when they are heating up

• Particles only move when we can see them

Which state of matter has the most energy?

• Solid

• Liquid

• Gas

• None - they are all the same