Which example describes evaporation?

• Hot liquid gaining more energy and becoming gas?

• Hot liquid losing energy to become a cool liquid?

• Hot solid gaining energy to become a liquid?

Which example describes melting?

• Hot liquid gaining more energy and becoming gas?

• Hot liquid losing energy to become a cool liquid?

• Hot solid gaining energy to become a liquid?

When a solid changes into a liquid, energy ____.

• is added/gained

• is removed/lost

• does not change

Which tool is used to measure the amount of thermal energy in a substance?

• Ruler

• Graduated Cylinder

• Thermometer

When a gas cools and becomes a liquid the process is called _______.

• Evaporation

• Condensation

• Freezing

• Melting

Only check the options that require energy being added. (Choose 2)

• Evaporation

• Condensation

• Freezing

• Melting

What one represents solid molecules?

• 1

• 2

• 3

• 4

What one represents gas molecules?

• 1

• 2

• 3

• 4

What one represents cold liquid molecules?

• 1

• 2

• 3

• 4

What one represents hot liquid molecules?

• 1

• 2

• 3

• 4