Conductors, Insulators, and Circuits

Front

What is a conductor?

Back

A conductor is a material that allows electricity or heat to flow through it easily. Examples include metals like copper and aluminum.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity or heat to flow through it easily. Examples include rubber, plastic, and wood.

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical loop that allows current to flow, enabling devices like light bulbs to turn on.

Front

What is an open circuit?

Back

An open circuit is a broken electrical loop that prevents current from flowing, causing devices like light bulbs to turn off.

Front

Which material is a good conductor of electricity?

Back

Copper is a good conductor of electricity.

Front

Which material is a good insulator of thermal energy?

Back

Plastic is a good insulator of thermal energy.

Front

What happens when you touch a metal object that is a conductor?

Back

You may feel a shock or warmth because the metal allows electricity to flow through it.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy that causes heat.

Front

What is the role of a switch in a circuit?

Back

A switch controls the flow of electricity in a circuit, allowing it to be turned on or off.

Front

What is the best conductor of electricity among common materials?

Back

Copper is often considered the best conductor of electricity among common materials.