Understanding Voltage and Current

What do we call the push that makes electric current move in a wire?

• Resistance

• Voltage

• Power

• Light

Which of these materials is a good conductor of electricity?

• Plastic

• Wood

• Copper

• Glass

What do we call the flow of electric charge?

• Voltage

• Current

• Energy

• Heat

Which of these is an insulator?

• Iron

• Silver

• Rubber

• Aluminium

If you want to stop electricity from passing through something, which material should you use?

• Metal

• Water

• Glass

• Copper

What is the unit for measuring electric current?

• Volts

• Amperes

• Watts

• Ohms

Which of these is NOT a conductor?

• Gold

• Silver

• Plastic

• Iron

What is the symbol for voltage in equations?

Which of these is the best conductor of electricity?

• Silver

• Wood

• Paper

• Air

If a wire lets electricity pass through it easily, it is called a:

• Conductor

• Insulator

• Battery

• Switch