Changes in Matter
Explore physical and chemical changes in matter with this Grade 7 science worksheet.
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Changes in Matter Worksheet
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Read each question carefully and answer to the best of your ability. This worksheet covers physical and chemical changes in matter.
1. Which of the following is an example of a physical change?
Burning wood
Rusting of iron
Melting ice
Baking a cake
2. A chemical change results in the formation of:
A new substance
The same substance in a different state
A larger volume
A smaller mass
1. Evaporation is a chemical change.
True
False
2. The law of conservation of mass states that matter cannot be created or destroyed.
True
False
1. When a substance changes from a liquid to a gas, it undergoes .
2. The formation of bubbles, a change in color, or the production of heat or light are all signs of a change.
1. Explain the difference between a physical change and a chemical change. Give an example of each.
Observe the diagram below showing the transitions between states of matter. Label each arrow with the correct term (e.g., melting, freezing, evaporation, condensation, sublimation, deposition).
Solid to Liquid:
Liquid to Gas:
Liquid to Solid:
Gas to Liquid:
Solid to Gas:
Gas to Solid:
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