Grade 8 Chemical Change Worksheet
Explore the concepts of chemical change, physical change, and evidence of chemical reactions with this Grade 8 science worksheet.
Includes
Standards
Chemical Change
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Date:
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Read each question carefully and provide your best answer. This worksheet assesses your understanding of chemical and physical changes.
1. Which of the following is an example of a chemical change?
Melting ice into water
Cutting paper into smaller pieces
Burning wood in a campfire
Dissolving sugar in water
2. What is a common sign that a chemical reaction has occurred?
Change in state (solid to liquid)
Formation of a precipitate
Change in shape
Decrease in temperature
1. A physical change results in the formation of new substances.
True
False
2. Rusting of iron is an example of a chemical change.
True
False
1. A chemical change always produces one or more substances.
2. The law of conservation of mass states that matter cannot be created or in a chemical reaction.
1. List three pieces of evidence that indicate a chemical change has occurred.
2. Explain the difference between a physical change and a chemical change, providing an example for each.