Bill Nye Simple Machines

Explore simple machines with Bill Nye! Fill-in-the-blanks worksheet reinforces key concepts.

Bill Nye the Science Guy and Simple Machines Watch the video and answer the questions below Fill in the blanks for each questions using the video and the word bank. 1. Simple Machines change size and direction of forces.2. A pulley can change the direction of a force.3. The part of a lever around which it moves is called the fulcrum.4. A catapult is a type of lever.5. A lever that rotates around a central fulcrum is a wheel.6. Gears are wheels with teeth.7. A ramp allows you to easily achieve a certain height but you must walk a longer distance.8. Stairways are a form of a ramp.9. A spiral staircase is a lot like a screw.10. A screw is a ramp wrapped around a rod.11. The distance between the threads on a screw is called the pitch.12. A crane uses pulleys to lift heavy loads.13. With a pulley system you use more rope but less work to lift a load.14. Horses originally pulled the trolley cars in San Francisco.15. A sailboat uses pulleys to raise the sails.