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!
### 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!