Current and Static Electricity

Which of the following are conductors. (Check all that apply)

• copper

• Rubber

• plastic

• Aluminum Foil

• Iron nail.

Which of these circuits will not allow the lightbulb to light up

• 
• 
• 
• 

The flow of electricity in a circuit-

• current
• flow
• circuit

____________ stops the flow of electricity.

• A conductor
• An insulator
• A magnet

Which of these will repel each other?

• Negatively charged balloon and positively charged sphere.

• Negatively charged balloon and neutral sphere.

• Negatively charged balloon and negatively charged sphere.

• Negatively charged balloon and neutral wall.

Is a metal fork a conductor or insulator?

• conductor

• insulator

Is rubber a conductor or insulator?

• conductor

• insulator

How can you add resistance to a circuit?

• Make the wire in the circuit longer.

• Make the wire in the circuit thinner.

• Add another appliance/bulb connected in series.

• All of these.

Which of the following are examples of insulators?

• Copper

• Plastic

• Glass

• Aluminum foil

• Pencil lead

Lightning is _____.

• a buildup of neutrons
• harmless
• a high-voltage electric current
• a large discharge of static electricity