Reversible or Irreversible

What does a Thermometer measure?

• height
• weight
• length
• temperature

Which is not a property of matter?

• solid
• liquid
• gas
• ice

A popsicle is a.....

• gas
• liquid
• solid

What is an irreversible change?

• Something you can change back.
• Something you cannot change back.

What is a reversible change?

• Something you can change back.
• Something you cannot change back.

How can you change a liquid to a solid?

• boil it

• freeze it

• warm it

• eat it

4. Look at the picture.

Please choose if the changes are "reversible" or "irreversible"

• A. Reversible

• B. Irreversible

8. Look at the picture.

Please choose if the changes are "reversible" or "irreversible"

• A. Reversible

• B. Irreversible