Practical Applications
## Watching Science Happen Around You
You can observe physical and chemical changes in your own kitchen or backyard!
- Watch ice melt and refreeze.
- Notice bread turning brown in the toaster (chemical change).
- Mix oil and water to see a mixture.
## Keep a Science Notebook
Draw what you see, write notes, and take pictures to record your discoveries.
Examples
- Melting butter in a pan, then letting it cool and harden again.
- Mixing baking soda and vinegar to make a fizzy mess.