Question

Which are physical changes? (Select all that apply.)

melting chocolate

cutting wood

burning butter

souring milk

Answers

GPT-4o mini
The physical changes among the options provided are:

- **melting chocolate** (phase change from solid to liquid)
- **cutting wood** (change in size and shape, but the wood's chemical composition remains the same)

The other two options, **burning butter** and **souring milk**, are chemical changes because they involve a change in the chemical composition of the substances.