Across
- 2. They make our work easier and save time and effort.
- 6. It is a slating surface connecting a higher lever with a lower level.
- 7. They move machines such as scissors or a broom.
- 8. It is a rigid bar that is pivoted on a fixed point.
- 9. It has a grooved wheel around which a rope or chain is placed.
- 10. It is a substance that is used to produce energy.
Down
- 1. It is a ramp that is put at an angle to the horizontal.
- 3. It is a type of machine made of various simple machines joined together. A bicycle, a watch and a mixer are some examples of them.
- 4. It is a type of machine made of very few parts. A Pulley, a lever and a ramp are some examples of them.
- 5. They are machines used by carpenters, electricians, mechanics and other workers.