You have a number of pieces of red and blue Litmus Paper. After asking your parents for permission first, test a number of household chemicals with small wet bits of each colour paper. Do not test anything you are going to eat later or put the strips in your mouth. Record your results in your copy. Remember.... Blue for Base.

Write up your key in best. Remember each question must have a 'yes' or 'no' answer. The best presented key will win the mystery prize. (You don't have to have identified all the available flavours). Here is the information you were given in class:

In your jelly bean selection you will have some or all of the following flavours: apple, banana, blackberry, black pepper, blueberry, bubblegum, candyfloss, cherry, cinnamon, cola, dirt, earthworm, earwax, grass, green apple, marshmallow, nose snot, passion fruit, peach, pineapple, raspberry, rotten egg, sausage, lemon, lime, soap, tutti-frutti, vomit, strawberry cheesecake watermelon, vanilla.