Practice Differences Between Physical And Chemical Changes (3)

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6 sample questions

Question 1.
What is a physical change?
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Think of changes like melting or boiling.
Question 2.
Give an example of a chemical change.
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What happens to the wood when you burn it?
3Question 3.
Which of the following is a physical change?
- Burning paper
- Melting ice
- Rusting iron
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Consider whether a new substance is formed.
4Question 4.
True or False: Chemical changes can often be reversed.
- True
- False
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Think of burning or rusting.
Question 5.
Consider a baking soda and vinegar reaction. Identify the type of change and explain why.
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Think about what you're observing.
Question 6.
If a piece of paper is cut into smaller pieces, what change occurred? Discuss why it is classified this way.
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Focus on whether the identity of the substance has changed.

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