The basics
How does a car go?
An engine or electric motor turns the wheels. Steering changes direction; brakes scrub off speed safely.
Vehicles · Cars
Cars: Everyday Machines on Wheels
Engines, wheels, electric cars, and how driving works.
Vehicles / Cars
Cars — what curious minds want to know
Engines, wheels, and the vehicles most families know best.
4 wheels
Typical
Engine / motor
Power
Roads
Habitat
EV + gas
Energy types
Electric
What’s different about EVs?
Electric cars use battery-powered motors — quieter, with fewer moving engine parts, and plugged in to recharge.
Cars FAQ
Many inventors contributed; early practical cars appeared in the late 1800s.
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