When the class goes to Ms. Frizzle’s house to sell ________________________, they accidentally break the ________________________.
lightbulbs, doorbell
They learn the doorbell runs on ________________________ from a __________________.
electricity, battery
The two kinds of electric charges like to ________________________ together.
stay
A ________________________ is created when opposite charges join back together again.
spark
The inside of the wire is filled with electric charges moving like a river ________________________.
current
The skinny wire in a lightbulb is called a ________________________.
filament
The filament is so narrow, the charges ________________________ and rub together to get through.
squeeze
The circular path is called an electrical ________________________.
circuit
A battery makes electric charges ________________________ through the circuit.
move
If the path is ________________________ or the battery doesn’t work, the charges can’t move through the circuit.
broken
_________ is the current of opposite charges moving through a circuit, charged by a battery.
A circuit
Electricity
________ the closed path that the current of electric charges moves through.
A circuit is....
Electricity is...
What did the class use to close the electrical circuit again?
aluminum foil
The class fixed the doorbell by finding where the circuit was ______.
broken
