Question

give two homework questions based on the topic chemical and physical changes

Answers

GPT-4o mini
Sure! Here are two homework questions based on the topic of chemical and physical changes:

### Homework Questions

1. **Question 1: Identify and Classify Changes**
Read the following scenarios and classify each as a physical change or a chemical change. Provide a brief explanation for your classification.

a) Ice melting into water
b) Iron rusting after exposure to moisture
c) Baking a cake
d) Cutting a piece of paper in half
e) Boiling water to create steam

2. **Question 2: Observations and Evidence**
You have the following substances: baking soda (sodium bicarbonate), vinegar (acetic acid), and a sugar cube.

a) Describe an experiment using these substances that would demonstrate a chemical change.
b) What observations would indicate that a chemical change has occurred?
c) Explain why the change you observed qualifies as a chemical change rather than a physical change.

Feel free to adjust the complexity or specificity of these questions as needed!

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