Unit 2 Review

What is the boiling point of water (in Celsius)?

• 100
• 0
• 50
• 212

What is the freezing point of water (in Celsius)?

• 100
• 0
• 10
• 32

Which container represents a solid state of matter?

• Jar 1
• Jar 2
• Jar 3
• None of these

Which container represents a liquid state of matter?

• Jar 1
• Jar 2
• Jar 3
• None of these

Which container represents a gas state of matter?

• Jar 1
• Jar 2
• Jar 3
• None of these

The process of a liquid changing to a solid

• freezing
• condensation
• melting
• evaporation

The process of a solid changing to a liquid

• freezing
• condensation
• melting
• evaporation

The process of a gas changing to a liquid

• freezing
• condensation
• melting
• evaporation

The process of a liquid changing to a gas

• freezing
• condensation
• melting
• evaporation

Which example below describes a liquid becoming a solid?

• puddles evaporating after a rainstorm
• water freezing into ice
• iron becoming red and flexible when heated
• liquid expanding in a thermometer