Identifying Chemical Reactions
A Grade 6 science worksheet to help students identify different types of chemical reactions and their characteristics.
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Identifying Chemical Reactions
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Read each question carefully and answer to the best of your ability. Some questions may require you to identify types of chemical reactions, while others will ask about the characteristics of these reactions.
1. Which of the following is a sign that a chemical reaction has occurred?
Change in shape
Change in temperature
Change in mass
Change in size
2. When wood burns, it produces ash, smoke, and heat. This is an example of what type of change?
Physical change
Chemical change
State change
Phase change
3. A chemical reaction often involves the formation of a new substance called a .
4. The substances that react in a chemical reaction are called .
5. Melting ice into water is a chemical reaction.
True
False
6. When baking soda and vinegar mix, bubbles are produced. This indicates a chemical reaction.
True
False
7. Describe two common signs that a chemical reaction has taken place.
8. Explain the difference between a physical change and a chemical change.
9. Look at the image below. What evidence suggests a chemical reaction is occurring?
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