What is electric current measured in?

What is needed for electric current to flow?

Which material allows electric current to flow easily?

What is voltage sometimes called?

What do batteries provide to a circuit?

Which of these is a good insulator of electricity?

What does a resistor do in a circuit?

What is the basic unit of electric charge?

What is a switch used for in a circuit?

If you increase the voltage in a circuit, what happens to the current (if resistance stays the same)?