Conservation of Matter Worksheet
Grade 10 Science worksheet focusing on the Law of Conservation of Matter, balancing chemical equations, and practical applications.
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Conservation of Matter Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. What does the Law of Conservation of Matter state?
Matter can be created but not destroyed.
Matter can be destroyed but not created.
Matter cannot be created or destroyed, only transformed.
Matter is constantly being created and destroyed.
2. Which of the following is a physical change?
Burning wood
Rusting iron
Melting ice
Baking a cake
3. In a chemical reaction, the total mass of the reactants must equal the total mass of the .
4. Balancing chemical equations ensures that the Law of Conservation of is upheld.
5. Explain how the burning of a candle demonstrates the Law of Conservation of Matter, even though the candle appears to disappear.
6. When water boils, its chemical composition changes.
True
False
7. The mass of products in a closed system will always be less than the mass of the reactants.
True
False
8. Balance the following chemical equation:
C3H8 + O2 → CO2 + H2O
9. Balance the following chemical equation:
Fe + Cl2 → FeCl3
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