TEST YOUR UNDERSTANDING
1. Sugar dissolves in warm water Physical Change Chemical Change
2. A nail rusts. Physical Change Chemical Change
3. A glass breaks. Physical Change Chemical Change
4. A piece of paper burns. Physical Change Chemical Change
5. Iron and sulfur mix and form a partially magnetic black and yellow mixture. Physical Change Chemical Change
6. Iron and sulfur are heated and form a non-magnetic shiny grey substance. Physical Change Chemical Change
7. Dry Ice (solid carbon dioxide -- CO2) is sublimed at room temperature. Physical Change Chemical Change
8. Vinegar reacts when mixed with baking soda. Physical Change Chemical Change
9. Water boils at 100 degrees Celsius Physical Change Chemical Change
10. Zinc when immersed in Hydrocholoric Acid produces hydrogen gas. Physical Change Chemical Change
See the list--Greatest Inventions of all Time