State the safety precautions you should take when you are working on an experiment.
List 5 pieces of equipment found in a scientific laboratory and using illustrations explain how the scientist may use them.
Do any 3 of the following and explain the steps to perform the experiment, what has happened and why: * a. grow a crystal. * b. show the density of 4 different liquids. * c. show how light reflects. * d. show how colours mix. * e. make an electrical circuit.