Quiz on Conductors and Insulators

Conductivity is a material’s __________ to allow __________ to flow through.

• ability to allow electricity

• inability to allow electricity

• ability to block electricity

• inability to block electricity

A __________ allows energy to flow through.

• conductor

• insulator

• resistor

• capacitor

An __________ does not allow energy to flow through.

• insulator

• conductor

• semiconductor

• superconductor

Consider a pan you use to cook food. How do the different materials of a frying pan work to help you cook an egg?

• They distribute heat evenly and prevent sticking.

• They absorb moisture from the egg.

• They cool down quickly to prevent overcooking.

• They add flavor to the egg.

Good conductor of heat

• Metal
• Nonmetal

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic

(true or fals) Electric current can pass through a conductive material; like a copper wire.

• True

• False