TRUE or FALSE: Wood is an example of a conductor.
FALSE
TRUE or FALSE: Salt water is a conductor but pure water is an insulator.
TRUE
Which circuit component has this symbol?
bulb
Which circuit component has this symbol?
3V battery
Which circuit component has this symbol?
Bell
TRUE or FALSE: An iron pan is a conductor of electricity.
TRUE
YES or NO: If the switch in a circuit diagram is like this, the bulb will light up.
NO because this is an open switch.
There are four components in this circuit diagram, bulb and 1.5V cell are two of them. Give the name of the other two.
switch and connecting wire
There are four components in this circuit diagram, switch and wire are two of them. Give the name of the other two.
1.5V cell and bell
How many volts (V) does a motor need to work?
24 V
YES or NO: The battery in this circuit is a 1.5V cell. Will the bulbs light up?
NO. The two of them needs a total of 3V to light up.
Name the metal conductor inside electric wires.
copper
