Reversible & Irreversible Change

1. What is the picture showing?

• An ice cube melting

• Condensation

• Freezing

• All of the above

2. The change happening in the picture is...

• Irreversible

• Reversible

• Changes

3. When orange juice is frozen to make popsicles, can the popsicles change back to orange juice?

• Yes

• No

4. What does a thermometer measure?

• height

• weight

• length

• Temperature

5. What happens when liquid goes to a solid

• The freezing process

• Vaporization

• The boiling point

• It turns into a gas

6. What is it called when a solid goes to a liquid at room temperature?

• Melting

• Freezing

• Boiling

• Condensation

7. Can this melt?

• No

• Yes

• Maybe

8. Which part of the graph shows the liquid water rising in temperature?

• 1

• 2

• 3

• 4

9. Which part of the graph shows the solid state of water?

• 1

• 2

• 3

• 4

10. In which part of the graph do both liquid and gas

states of the water exist?

• 4

• 3

• 2

• 1