Rube Goldberg Machines — Complicated Machines with a Simple Purpose

Posted on April 16, 2011 by celliott1

At the end of our Simple Machines Unit, students made Rube Goldberg Machines — impossibly complicated machines made from many simple machines, with a very simple purpose.

Posted in Grades One - Two Science, Grades Three - Five Science, Middle School Science, Unit Five -- Physics of Simple Machines, Unit Four: Physics of Motion | Leave a comment

Gears are Wheels and Axles

Posted on March 1, 2011 by celliott1

First - fourth graders learned about a new kind of wheel and axle — gears! Gears are wheels and axles with teeth which can make work easier by giving the user a mechanical advantage — allowing them to do more work with … Continue reading →

Posted in Grades One - Two Science, Grades Three - Five Science, Unit Five -- Physics of Simple Machines | Leave a comment

Simple Machines

Posted on February 13, 2011 by celliott1

Machines help people do work more easily. Work is defined as a force acting over a distance to move an object in a direction. A simple machine is a machine with one or no moving parts. The ancient Greeks named … Continue reading →

Posted in Grades One - Two Science, Grades Three - Five Science, Middle School Science, Unit Five -- Physics of Simple Machines | Leave a comment