chemical and physical changes

Is burning wood a chemical or physical change?

• chemical
• physical

Is glass breaking a chemical or phyiscal change?

• chemical
• physical

Is a a rusting bicycle a chemical or physical change?

• chemcial
• physical

Is hammering wood together to build a house a chemical or physical change?

• chemical
• physical

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Is spoiling food a physical or chemical change?

• phyiscal
• chemical

Is moldy cheese a chemical or physical change?

• chemical
• physical

a copper penny turning greenish after a few years.

• Chemical Change
• Physical Change

Green bananas turning yellow on their own as they ripen.

• Chemical Change
• Physical Change

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

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