G6-SCI-L9 Electricity and Circuits

What are the two terminals of an electric cell called?

• Positive and negative
• Top and bottom
• Left and right
• Front and back

What is the thin wire inside a bulb that gives off light called?

• Filament
• Conductor
• Insulator
• Terminal

What happens when the two terminals of an electric cell are connected without a device in between?

• The chemicals in the cell get used up quickly
• The cell becomes more powerful
• Nothing happens
• The cell becomes recharged

What is the purpose of a switch in an electric circuit?

• To break or complete the circuit
• To make the bulb brighter
• To store electricity
• To change the direction of current

What materials allow electric current to pass through them?

• Conductors
• Insulators
• Switches
• Batteries

Which of the following is NOT a good conductor of electricity?

• Rubber
• Copper
• Aluminum
• Iron

What happens when you connect the two terminals of a bulb to an electric cell?

• The bulb glows
• The cell explodes
• Nothing happens
• The bulb breaks

Why do electricians use rubber gloves while working?

• To protect from electric shock
• To keep their hands clean
• To grip tools better
• To look professional

What is a simple device used to test if a material conducts electricity?

• Conduction tester
• Voltmeter
• Ammeter
• Thermometer

Which part of a torch bulb is connected to the metal case at its base?

• One of the thick wires
• The filament
• Both thick wires
• The glass case