abcteach
Abcteach: Science: Simple Machines
[Free Registration/Login Required] A collection of ready-to-go worksheets and diagrams of simple machines.
NASA
Nasa: Simple Machines
A lesson plan site that contains activities designed to give grades 3 and 4 experiences in using simple machines.
Sophia Learning
Sophia: Simple Machines: Lesson 2
This lesson will introduce the six types of simple machines and show how machines can increase efficiency by reducing work input needed. It is 2 of 2 in the series titled "Simple Machines."
Sophia Learning
Sophia: Simple Machines: Lesson 1
This lesson will introduce the six types of simple machines and show how machines can increase efficiency by reducing work input needed. It is 1 of 2 in the series titled "Simple Machines."
Sophia Learning
Sophia: Simple Machines: Wedge/inclined Plane: Lesson 2
This lesson will explain how to calculate the mechanical advantage of a wedge and inclined plane. It is 2 of 2 in the series titled "Simple Machines: Wedge/Inclined Plane."
Sophia Learning
Sophia: Simple Machines: Wedge/inclined Plane: Lesson 1
This lesson will explain how to calculate the mechanical advantage of a wedge and inclined plane. It is 1 of 2 in the series titled "Simple Machines: Wedge/Inclined Plane."
ClassFlow
Class Flow: Simple Machines Quiz
[Free Registration/Login Required] This flipchart consists of a humorous quiz on identifying simple machines and forces of motion such as gravity and inertia.
University of Houston
University of Houston: Simple Machines Learning Site: Wedge
Several examples, along with a definition and explanation of the simple machine, the wedge.
University of Houston
University of Houston: Simple Machines Learning Site
Simple descriptions and drawings of simple machines. Click on each image for a further explanation and examples.
Science Struck
Science Struck: Simple Machines for Kids
Gives short descriptions of the six types of simple machines.
Other
Professor Beaker's Learning Lab
This site provides information on simple machines in machines and features links to a question and answer section as well as a learning lab.
The Franklin Institute
Spotlighting Simple Machines
Simple machines such as inclined planes in wedges and screws are explained.
NASA
Nasa: Simple Machine Resource Chart
This site provides a chart that lists the six simple machines, defines them, explains how it helps and gives examples.