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Using Geometry to Design Simple Machines
https://www.youtube.com/watch?v=4dkng7zajGA

PostedMonday, November 3, 2014 at 10:58 AM

Updated09/27/2017

This video is meant to be a fun, hands-on session that gets students to think hard about how machines work.

It teaches them the connection between the geometry that they study and the kinematics that engineers use -- explaining that kinematics is simply geometry in motion. In this lesson, geometry will be used in a way that students are not used to. The prerequisite here is a familiarity with the geometry of triangles and circles. This interactive learning video could be completed in an approximately one-hour class session or it could be presented over two class sessions, allowing more class time for students to engage in hands-on activities. Materials necessary for the hands-on activities include two options: pegboard, nails/screws and a small saw; or colored construction paper, thumbtacks and scissors. Some in-class activities for the breaks between the video segments include: exploring the role of geometry in a slider-crank mechanism; determining at which point to locate a joint or bearing in a mechanism; recognizing useful mechanisms in the students communities that employ the same guided motion they have been studying.

This video lesson is part of BLOSSOMS (Blended Learning Open Source Science or Math Studies), a series of interactive lessons presented in a widely accessible video format. This series was developed by educators at the Massachusetts Institute of Technology as videos created with intentional breaks where teachers can pause the video to have a discussions with students about the ideas and concepts presented in the film.

Find a complete summary along with transcript and additional materials for use in a classroom - including downloads and related links - on the BLOSSOMS website.  The video, which is available with Portuguese subtitles or Arabic voice-over, can also be downloaded from this page.

http://blossoms.mit.edu/videos/lessons/using_geometry_design_simple_machines

This video is meant to be a fun, hands-on session that gets students to think hard about how machines work.

It teaches them the connection between the geometry that they study and the kinematics that engineers use -- explaining that kinematics is simply geometry in motion. In this lesson, geometry will be used in a way that students are not used to. The prerequisite here is a familiarity with the geometry of triangles and circles. This interactive learning video could be completed in an approximately one-hour class session or it could be presented over two class sessions, allowing more class time for students to engage in hands-on activities. Materials necessary for the hands-on activities include two options: pegboard, nails/screws and a small saw; or colored construction paper, thumbtacks and scissors. Some in-class activities for the breaks between the video segments include: exploring the role of geometry in a slider-crank mechanism; determining at which point to locate a joint or bearing in a mechanism; recognizing useful mechanisms in the students communities that employ the same guided motion they have been studying.

This video lesson is part of BLOSSOMS (Blended Learning Open Source Science or Math Studies), a series of interactive lessons presented in a widely accessible video format. This series was developed by educators at the Massachusetts Institute of Technology as videos created with intentional breaks where teachers can pause the video to have a discussions with students about the ideas and concepts presented in the film.

Find a complete summary along with transcript and additional materials for use in a classroom - including downloads and related links - on the BLOSSOMS website.  The video, which is available with Portuguese subtitles or Arabic voice-over, can also be downloaded from this page.

http://blossoms.mit.edu/videos/lessons/using_geometry_design_simple_machines

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Author MIT BLOSSOMS
Periodical title Using Geometry to Design Simple Machines
External URL http://blossoms.mit.edu/
Publisher MIT BLOSSOMS
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