Bill Nye Simple Machines Viewing Guide

Simple machines let us change the ___________ and direction of ______________.

When Bill pulled down on the rope running to the pulley, which direction did the Crate of Science go? __________________________

What type of simple machine was Bill’s bottle-launching catapult? ______________

The part of a lever around which it pivots is called the _______________

When the kids pushed down on the spoon bowl, which direction did the ping pong ball go? _________________________

Bill demonstrated that a bunch of levers pivoting around one fulcrum is a ___________ and _____________.

Gears are wheels with ___________.

A ___________________ is a modified ramp, or ________________ _________.that allows you to easily achieve height, but you must walk a longer distance.

Why didn’t the string break when the boy pulled the book up the ramp? ________________________________________________________________

A spiral staircase is a lot like a ___________.

A screw is a _____________ wrapped around a rod.

The distance between the threads on a screw is called the ___________.

A prosthesis is an ______________________ ____________.

A crane uses ___________ to lift heavy loads.

With a pulley system, as in the tree fort the children were building, you use more rope (distance) but less ___________ to lift a load.

A sailboat uses _______________ to raise the sails.

Who won the Tour de Science ’93? _________________________

Name two compound machines (complex machines made up of more than one simple machine) appearing in the music video. __________________________