Some cars have a gas engine. Some have an electric motor.
In a gas engine, pistons move up and down.
Fuel burns inside the engine. A spark plug lights the fuel.
Burning fuel makes gases. The gases get big and push the piston.
Gases go out of a tailpipe.
An electric car's fuel is a battery you can charge.
A charge port lets you plug it in.
The motor turns the wheels. Electric motors are quiet.
Words to know
- piston: up-down part
- engine: power maker
- battery: stores energy
- motor: power spinner
- tailpipe: gas pipe