The ______ is the main component that converts fuel into mechanical energy in a vehicle engine.

In a vehicle engine, the ______ controls the timing of the engine's valves.

The process of mixing air and fuel in a vehicle engine is done by the ______.

The ______ is responsible for igniting the air-fuel mixture in a gasoline engine.

The ______ in a vehicle engine circulates coolant to keep the engine from overheating.

In an internal combustion engine, the ______ compresses the air-fuel mixture before combustion.

The ______ is the component that converts the linear motion of the pistons into rotational motion to drive the vehicle.

The ______ is an essential part of the engine that reduces harmful emissions by converting exhaust gases into less harmful substances.

The ______ system in a vehicle engine provides lubrication to reduce friction between moving parts.

The ______ is responsible for controlling the amount of air entering the engine, affecting performance and efficiency.