Question | Answer |
chemical | 1. corrosion of a pipe
|
chemical | 2. wood rotting
| physical | 3. ice melting
| chemical | 4. milk sours
| physical | 5. grinding a piece of corn
| physical | 6. inflating a tire
| physical | 7. slicing bread
| chemical | 8. food being digested
| physical | 9. evaporation of sweat
| chemical | 10. leaves changing colors in the fall
| physical | 11. a paper towel absorbing water
| chemical | 12. baking a cake
| physical | 13. dying a t-shirt green
| chemical | marshmallow + fire -> charred pieces
| physical | salt + water -> saltwater
| chemical | water + carbon dioxide + sunlight -> sugar + oxygen |