University:
College Entrance Preparation
Course:
ACT Preparation (Science)
Academic year:

2019
Views:

356

Pages:

1
Author:

Madelyn Bradshaw

Physical and Chemical Changes Name: Date: Hour: Place a check in the appropriate column: | Change | Physical Change | Chemical Change | |---|---|---| | Salt dissolves in water. | ✓ | | | Hydrochloric acid reacts with magnesium to produce hydrogen gas. | | ✓ | | A piece of copper is cut in half. | ✓ | | | A sugar cube is ground up. | ✓ | | | Water is heated and changed to steam. | ✓ | phase change | | Iron rusts. | | ✓ | | Ethyl alcohol evaporates. | ✓ | | | Ice melts. | ✓ | | | Milk sours (goes bad). | | ✓ | | Sugar dissolves in water. | ✓ | | | Sodium and potassium react violently with water. | | ✓ | | Pancakes cook on a griddle. | | ✓ | | Grass grows on a lawn. | | photosynthesis | | A tire is inflated with air. | ✓ | | | Food is digested in the stomach. | | ✓ | | Water is absorbed by a paper towel. | ✓ | | | Ethyl alcohol boils at 79°C. | ✓ | boiling pt. | | Paper burns. | | ✓ | | Water freezes at 0°C. | ✓ | freezing pt. | | Fireworks explode. | | ✓ | | Alka-Seltzer gives off carbon dioxide when added to water. | | ✓ | | Clouds form in the sky. | ✓ | |