Chemical or Physical Change

1.  Hammering wood together to build a playhouse

• Physical Change
• Chemical Change

Burning Leaves

• chemical change
• Physical change

A change that create a new substance.

• physical change
• chemical change

Milk goes sour

• chemical change
• physical change

Chocolate bar melts in the sun

• chemical change
• physical change

Acid on limestone produces carbon dioxide gas

• chemical change
• physical change

A cube of ice melts to form a puddle of water

• chemical change
• physical change

Iron rusts.

• physical change
• chemical change

Wood and leaves rot to form hummus.

• chemical change
• physical change

A safety match ignites and burns

• physical change
• chemical change