Why do electricians always wrap wires in plastic?
Which of these materials is a good conductor of electricity?
The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?
Which of the following items would conduct electricity?
How can it be explained that someone's hair can stick to a balloon?
A penny is an example of
which of the following materials are best used as insulators?
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-
In this picture, the iron filings show the shape of the magnetic -
Which contribution toward understanding electricity was made by Michael Faraday?
What contribution did Thomas Edison make toward the study of electricity?
A science class was completing an experiment on electrical circuits. Why did the bulb go out each time the switch was opened?
Which would make the strongest electromagnet?
Electricity used to operate a toaster or stove is transformed to -
Many electrical wires are wrapped with a plastic coating because plastic is -
After returning from a winter vacation, a boy wanted to heat his home using electricity. The electricity was transformed into -
The space around a magnet where the force of the magnet can act is called-
What force causes two metals to repel or attract?
Who is the scientist that created the lightning rod?
Which book would most likely contain information about Michael Faraday?