Chem 1 Chapter 1 Review

A piece of paper being burned.

• Chemical Change
• Physical Change

A glass that has been broken

• Chemical Change
• Physical Change

Melting an ice cube

• Chemical Change
• Physical Change

An instant ice pack getting cold when the chemicals are able to touch.

• Chemical Change
• Physical Change

An gel ice pack getting cold after you put it in the freezer for an hour.

• Chemical Change
• Physical Change

a copper penny turning greenish after a few years.

• Chemical Change
• Physical Change

Using dye to change the color of a shirt green.

• Chemical Change
• Physical Change

A paper being waded up.

• Chemical Change
• Physical Change

What is a mixture?

• elements chemically combined
• a combination of different things
• it is found on the Periodic Table 
• it is made of chemical

What does it mean if a mixture is heterogeneous?

• you can see the different parts
• cannot tell one part from another
• very well blended
• made of elements