Changing Circuits

I can describe ways in which the brightness of bulbs can be changed

I can describe ways in which the speed of motors can be changed

I know symbols for electrical components

I can build a circuit from a conventional circuit diagram

I can draw a circuit diagram using correct symbols

I am aware that when carrying out a test it must be fair.

I can explain that wires are usually covered with plastic because plastic is an insulator

I know the difference between insulators and conductors