Physical and Chemical Changes

Burning wood is a

• chemical change

• physical change

Broken glass is a

• chemical change

• physical change

Melting butter for popcorn is a

• chemical change

• physical change

An ice pack getting cold after you put it in the freezer for an hour is a

• chemical Change

• physical Change

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

• chemical change

• physical change

Which of the following is NOT an example of a physical change?

• crumpling paper

• sharpening a pencil

• clothes shrinking

• sour milk

A change in which NEW substances are formed.

• Chemical change

• Physical change

Which of the following is NOT an example of chemical change?

• sour milk

• burning wood

• breaking a pencil

• rust

Salt dissolved in water is a

• physical change

• chemical change

Chewing food is a

• physical change

• chemical change