What are charged objects? Give an example. [2 MARKS]
Each point: 1 Mark 1. The objects that have acquired extra charge are called charged objects.
2. Eg: when a plastic comb is rubbed with dry hair, it acquires a small charge.
What are non-luminous objects? Give two examples. [2 MARKS]
How is electroplating used to give to an object a property which originally the metalic object lacks? Give an example. [2 MARKS]
What are vertebrates and invertebrates? Give an example for each. [2 MARKS]
What are fats? Give an example of a fatty food. [2 MARKS]