Vocabulary
Across
- 3. it is a circular rotating bar used to transmit power and motion from one part to another
- 5. it is a machine that converts power (energy) into motion (movement)
- 8. synonym of “under”
- 10. it is a rotating wheel with teeth used to transform the speed of rotation and transmit the power
- 11. it is a small gear
- 12. synonym of “next to”
- 13. opposite of “in front of”
- 14. shape with four equal sides and right angles
- 15. it is a circular rotating object that is usually fixed under vehicles to make them move
- 16. natural material which composes trees
- 17. it is a machine that transforms rotational energy (like wind power or hydropower) into electricity
Down
- 1. hard and strong grey material composed of iron and carbon
- 2. round shape that you can draw with a compass
- 4. material with which you make clothes
- 6. it is a red/brown metal with which you used to make coins
- 7. it is a device that transforms mechanical energy into electrical energy
- 9. synonym of “over”
- 12. it is a large flat part of a tool or machine, used to push back water or air.
- 14. a precious shiny grey/white metal