CHANGES AROUND US

What is a reversible change?

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

Which is a chemical change?

• Breaking glass
• Baking a cake
• Shredding paper
• Melting ice

Changing liquid to a gas is called

• evaporation
• condensation
• melting
• freezing

The picture shows an example of a ______________ change.

• chemical
• physical
• irreversible
• freezing

When heat is added to a solid, it ______________.

• freezes
• evaporates
• melts
• condenses

A change in the size, shape, or state of matter.

• chemical change
• physical change
• chemical reaction
• electron change

Photosynthesis is an example of a

• physical change
• chemical change

MELTING OF ICE IS WHAT CHANGE

• PHYSICAL CHANGE

• CHEMICAL CHANGE

BURNING OF WOOD IS WHAT CHANGE

• PHYSICAL CHANGE

• CHEMICAL CHANGE

What is a reversible change?

• a change that cannot be reversed

• a change that can be reversed

• I don't know

• a change where a new substance is formed