MOTION AND SIMPLE MACHINES

  1. Motion – Change in position.

  2. Speed – How fast something moves.

  3. Acceleration – Change in speed or direction.

  4. Distance – How far something moves.

  5. Reference point – Used to see if something is moving.

  6. Simple machine – Tool that makes work easier.

  7. Lever – A bar that pivots on a fulcrum.

  8. Fulcrum – Support or pivot point of a lever.

  9. Pulley – Wheel with rope to lift loads.

  10. Inclined plane – Slanted surface to move things.

  11. Screw – Inclined plane wrapped around a rod.

  12. Wedge – Used for cutting or splitting.

  13. Wheel and axle – Helps objects roll with less friction.