Across
- 1. The part that moves up and down inside the cylinder. (6)
- 4. The rod that connects the piston to the crankshaft. (10)
- 10. The engine type that uses compression instead of spark plugs. (6)
- 11. The battery-powered vehicle component that turns the wheels. (5)
- 14. Converts up-and-down motion into rotational motion. (10)
- 15. The stroke where the mixture is squeezed. (11)
- 17. The part that stores engine oil. (6)
- 18. The complete process of intake, compression, power and exhaust. (5)
Down
- 1. The stroke where the spark plug ignites the mixture. (5)
- 2. The stroke where air and fuel enter the cylinder. (6)
- 3. The process of burning fuel inside the engine. (10)
- 4. The shaft that turns and provides power to the wheels. (10)
- 5. The shaft that controls the opening and closing of valves. (8)
- 6. The device that ignites fuel in a petrol engine. (9)
- 7. The stroke where burnt gases leave the engine. (7)
- 8. The liquid that keeps engine parts moving smoothly. (3)
- 9. The system that controls when valves open and close. (6)
- 12. The engine type that does not use fuel. (8)
- 13. The opening that allows air and fuel in or exhaust out. (6)
- 16. The motor that turns the engine when starting. (7)