Inventions

12345678910111213
Across
  1. 6. A simple machine with spiral threads
  2. 7. A simple machine used to split things apart
  3. 9. You turn this to open a door
  4. 11. A tool used to hit nails
  5. 12. a sloped area for wheelchairs to go or down on
  6. 13. A tool used to cut wood
Down
  1. 1. A playground toy that goes up and down
  2. 2. use this when you can't walk
  3. 3. A simple machine made of a wheel connected to a rod
  4. 4. a cap that you screw on a bottle
  5. 5. Something that gives light
  6. 6. A playground toy to to move smoothly along a surface
  7. 8. A piece of wood to pin papers on
  8. 10. A sloping surface used to move things more easily