Simple Machines
Across
- 4. Shovel, nutcracker, seesaw, crowbar, elbow, tweezers, bottle opener
- 8. Less effort more speed
- 9. Less effort more force
- 10. Screw, jar lid, vise, bolt, drill, corkscrew
Down
- 1. Knife, pin, nail, chisel, axe, snowplow, front of a boat
- 2. Car, wagon, doorknob, pencil sharpener, bike
- 3. Load/Effort
- 5. Slide, stairs, ramp, escalator, slope
- 6. Devices to make life easier
- 7. Curtain rod, tow truck, mini-blind, flag pole, crane