Fast and slow reactions

 

1.  Define the rate of a reaction.

2.  _________ are chemical reactions that take place very quickly and release a lot of heat, light and noise.

3.  _________ and _________ are examples of slow chemical reactions.

4.  What are five different ways in which we can change the rate of a reaction.

5.  Explain how heating speeds up a chemical reaction.

6.  Explain how a refrigerator slows the rotting of food.

7.  What are catalysts?

8.  What are enzymes? What is their function?

9.  Fanning a camp fire makes it burn faster. Why?

10.  What is another way of making the camp fire burn faster?

11.  Why does a dentist use a blue light or UV light while filling your tooth?

 

 

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