Task 2 [Working towards P2]:

The material you use must be resistant to rain. 

You are going to test whether wood, plastic and metal are affected by


Practical: water resistance

Complete the following steps and record your data in the table below:

1.     Collect a wooden, plastic and metal equally sized block and record it’s mass

2.    Place all three spoons in water and start the stopclock. 

3.    Leave each block in the water for 40minutes

4.    Remove the blocks from the water and record the mass




      Mass before (g)


      Mass after (g)












    1.  Did any of the materials change in mass?
      2. The best material for a window would not be affected by rain.  Which material should they use? Why?



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