Grades 3–5 · Flip the cards to find out which everyday objects let electricity flow and which ones block it.

Conductor or Insulator?

Conductor. Copper is a metal, so electricity flows through it easily.

Insulator. Dry wood does not let electricity flow easily.

Wooden craft stick: conductor or insulator?

Steel paper clip: conductor or insulator?

The copper inside carries the electricity, and the plastic insulator keeps it in the wire and keeps people safe.

Why are electric wires covered in plastic?

Put it in the gap of a simple circuit with a battery and a bulb. If the bulb lights, it is a conductor.