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Fifth Grade (Grade 5) Reactions Questions

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Grade 5 Reactions
Which is a chemical reaction?
  1. paper tears
  2. sugar dissolves
  3. water boils
  4. paper burns
Grade 5 Reactions
We may be seeing a reaction take place when there are bubbles, color changes, or temperature changes.
  1. True
  2. False
Grade 5 Reactions
Atoms are always created or destroyed in a chemical reaction.
  1. True
  2. False
Grade 5 Reactions
What two substances can speed up rusting?
  1. Water and chlorine
  2. Water and Salt
  3. Alcohol and Vinegar
  4. None of the above
Grade 5 Reactions
Rusting is a chemical reaction and not a physical reaction because                                                       a new substance is produced in the rusting process                                                      .
Grade 5 Reactions
Rusting is a slow process usually requiring            moisture           .
Grade 5 Reactions
List two things that could tell us that a chemical reaction may be happening.
Grade 5 Reactions
Give one example of a chemical reaction you experience every day.
Grade 5 Reactions
What are five indicators of a chemical reaction?
Grade 5 Reactions
What is rusting?
Grade 5 Reactions
What are the four signs to know if a chemical reaction has occurred?
Grade 5 Reactions
Explain why cars in Canada rusts faster than the same cars that only driven in the Sahara desert.
Grade 5 Reactions
What new substance is produced when an iron nail rusts or oxidizes?
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