The Student Will Investigate and Understand That Electricity Is Transmitted and Used in Daily Life

If we coil an iron nail with an electric wire and connect it to a battery, what will be produced?

• magnetic force

• electricity

• heat

• light

Which of the following electrical appliances produces heat?

• washing machines

• electric fans

• radios

• rice cookers

Which is the most powerful source of electricity in nature?

• batteries

• light

• lightning

• heat

Electrical appliances need ______ to run.

An iron nail coiled with an electric wire becomes an __________ when electricity flows through the wire.