Physical and Chemical Changes Worksheet
Explore the differences between physical and chemical changes with this Grade 8 science worksheet, featuring real-world examples and descriptive questions.
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Physical and Chemical Changes
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of physical and chemical changes.
1. Which of the following is an example of a physical change?
Burning wood
Rusting of iron
Melting ice
Baking a cake
2. A new substance is formed in a:
Physical change
Chemical change
Both a and b
Neither a nor b
1. Cutting paper into smaller pieces is a chemical change.
True
False
2. The formation of gas bubbles always indicates a chemical change.
True
False
1. A change in the state of matter, like water freezing, is a change.
2. When iron rusts, it combines with oxygen to form iron oxide, which is an example of a change.
3. The law of conservation of states that matter is neither created nor destroyed in a chemical reaction.
1. Describe two observable signs that indicate a chemical change has occurred.
2. Explain the main difference between a physical change and a chemical change.
Match each example with the type of change.
1. Dissolving sugar in water
A. Chemical Change
2. Frying an egg
B. Physical Change
3. Tearing a piece of cloth
4. Burning a candle