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WorksheetsTerm 3 Week 8 Homework Task
Total questions: 20
Worksheet time: 25mins
Current is the rate of flow of electric charge.
The flow of electric charges is
voltage
current
resistance
electricity
What charge does an electron have?
negative (-)
positive (+)
neutral or no charge (0)
magnetic
Which of the following items would conduct electricity?
Aluminum ladder
Metal screwdriver
Wooden baseball bat
Rubber flip flops
Which of the following materials are best used as insulators?
Wood
Rubber
Metal
Plastic
The student arrived home and turned on a light switch, so she could see how to get to her bedroom. The switch allowed electricity to flow and was transformed into-
Light energy
mechanical energy
superior energy
radiant energy
A science class was completing an experiment on electrical circuits. Why did the bulb go out each time the switch was opened?
Opening the switch broke the circuit
The battery was probably going flat
There was too much electricity flowing
Opening the switch closed the circuit
Many electrical wires are wrapped with a plastic coating because plastic is -
More dense than copper
Able to keep its shape
Less expensive than steel
A good insulator
What is the following symbol represent?
Wire
Resistor
Battery
Switch
