Law of Conservation of Mass Worksheet
Explore the Law of Conservation of Mass with this worksheet for Grade 6 science students, featuring multiple choice, fill-in-the-blanks, and short answer questions.
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Law of Conservation of Mass
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Read each question carefully and answer to the best of your ability.
1. What does the Law of Conservation of Mass state?
Mass can be created and destroyed.
Mass is only conserved in open systems.
Mass is neither created nor destroyed in a chemical reaction.
Mass is always lost during a physical change.
2. If you burn a piece of wood, what happens to its mass?
The mass decreases.
The mass increases.
The mass stays the same, even though it changes form.
The mass disappears.
3. The Law of Conservation of Mass was first formulated by Antoine .
4. In a chemical reaction, the total mass of the reactants must equal the total mass of the .
5. When ice melts into water, its mass .
6. The Law of Conservation of Mass applies to both physical and chemical changes.
True
False
7. If a log burns and turns into ash and smoke, the total mass of the ash and smoke is less than the original log.
True
False
8. Explain why the total mass remains the same even when matter changes from a solid to a liquid.
9. Give an example of a chemical reaction and explain how the Law of Conservation of Mass applies to it.