Reversible and Irreversible Changes

Which of these is NOT a reversible change?

• Water to Ice
• Juice to Popsicle
• Cookie Dough to Cookie
• Melting Chocolate

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.

The change happening in the picture is...

• Irreversible

• Reversible

• Changes

Which of the following changes is irreversible change?

• Melting of ice cube

• Heating hydrated CuSO₄

• Frying an egg

• Thermal decomposing NH₄Cl