Scholastic
Scholastic: Study Jams! Science: Force and Motion: Simple Machines
A slideshow and a short quiz on simple machines and how they reduce the amount of work or effort needed to complete a task.
University of Houston
University of Houston: Science Lessons: Simple Machines Learning Site
Provides definitions of all 6 simple machines with examples and student drawing of them. Interactive "simple machines quiz" at the end.
Read Works
Read Works: Machines Can Move
[Free Registration/Login Required] An informational text about simple machines people use every day. A question sheet is available to help students build skills in reading comprehension.
Scholastic
Scholastic: Dirtmeister's Science Reporters: Simple Machines: Pulley
With-it explanation of how the pulley works, where it's found. Most interesting, as Scholastic material usually is.
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: Wheel and Axel: Lesson 1
This lesson will explain how to calculate the mechanical advantage of a wheel and axel. It is 1 of 2 in the series titled "Simple Machines: Wheel and Axel."
Sophia Learning
Sophia: Simple Machines: Wheel and Axel: Lesson 2
This lesson will explain how to calculate the mechanical advantage of a wheel and axel. It is 2 of 2 in the series titled "Simple Machines: Wheel and Axel."
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.
Integrated Publishing
Integrated Publishing: The Wheel & Axle
A solid chapter explanation of the wheel & axle simple machine. Examples, the basic math, explanation of mechanical advantage, drawings, solved problem. Use the Next button. There are four pages in this chapter.
University of Houston
University of Houston: Simple Machines Learning Site
This resource provides information about simple machines.
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.