What can turn a lightbulb on?
Electric current cigarettes Shining a flashlight on it hydrogen and oxygen Unplugging the lamp direct energy Sunlight heat energy
A B C D E F G H
An electric current is a flow of electric charge.
Electric currents can turn a lightbulb on.
What can turn a lightbulb on? (A) Electric current (B) cigarettes (C) Shining a flashlight on it (D) hydrogen and oxygen (E) Unplugging the lamp (F) direct energy (G) Sunlight (H) heat energy