EdHeads+-+Simple+Machines 

EdHeads Simple Machines http://www.edheads.org/activities/simple-machines/
**Sponsoring Organization: Martha Holden Jennings Foundation ** 
 * Date of Last Update:** There is no date of the last update.


 * Authority:** This site shows in detail the mission statement, their core values, and the connection to standards. It gives short biographies of the executive and creative directors as well as their board of directors. Email is available for questions, suggestions, or concerns.


 * Content:** This site introduces/reviews the six simple machines and moves on to show how compound machines work. Students find the simple machines in a variety of rooms and once found, they need to identify what simple machine is. A detailed description with animated visuals are used. Students can print results as well.
 * Currency: This site is remains relevant with a 2009 copyright date. **


 * Purpose:** The purpose of this site is clearly stated. There are no advertisements, although the EdHeads site does ask for donations to support their site creation of new science units.


 * Organization/Design/Navigation:** Once at the site, there is a large start button, so students should have no trouble finding it. The site opens up in a new window. At the house (which students should start with) they can select one of four rooms to find simple machines. The shed deals with compound machines and is formatted the same way. Students easily see the continue button which leads them to find more objects.


 * Strengths:** The animation is definitely one of the strengths of this website. Students are engaged, and learn a lot about simple machines. Students are asked a series of questions about the item they clicked on and then must determine the type of simple machine it is. This is a good opportunity for students to see that many of common things in their lives (shoelaces, baseball bats, etc) are really simple machines. The site provides lesson plans and students can print their results so the teacher can monitor and adjust teaching as needed.
 * Weaknesses:** Eventually, the students get bored doing the same question and answer type scenario. If you really don't know the answer, after two wrong guesses the site shows you the answer. This would be reflected in your print out.


 * Instructional Uses:** I think this would be great to use independently while students are learning about simple machines. It could also be done for station work. Letting students know it could be used as a grade could keep them more accountable.


 * Benefits to Students:** Students are able to interact with the site and get immediate feedback on what they do or don't know. They are also able to see some very common items that can be categorized as simple machines.

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