Science: Gear Reduction
These sites explain gear reduction: what it is and how it works. Resources include explanations, demonstrations, videos and instructional units. Links to eThemes Resources on Science: Gears and Simple Machines: Advanced are included.
Grades
- 8,
- 9,
- 10
Links
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Understanding Gear Reduction
Learn about gear reduction β what it is, how it works, and some of the advantages and disadvantage.
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What is a Reduction Gear?
Learn about reduction gears, why its used, and types of reduction gears. NOTE: This site includes ads. NOTE: This site includes a discussion board (message board, forum, etc.).
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How Gears Work
Discover how gears work
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How Gear Ratios Work
Learn how gear ratios work, putting gears to work, understanding the concept of gear ratios, gear trains, other uses for gears, and examples. NOTE: This site includes ads. NOTE: This site includes a discussion board (message board, forum, etc.).
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Gear Reduction Calculator
Use this gear reduction calculator to determine output torque and speed. NOTE: This site includes ads.
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What is a Gear Reducer? Video
This video is about gear reducers β what they are and what they do. (Total running time: 2:45) NOTE: This site includes a discussion board (message board, forum, etc.).
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Homemade Gear Reduction Motor
This video explores the components of a homemade gear reduction motor. (Total running time: 2:06) NOTE: This site includes a discussion board (message board, forum, etc.).
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Homebrew Grain Mill with Compound Gear Reduction Chain Drive Video
This video demos a homemade compound gear reduction chain drive. (Total running time: 1:09) NOTE: This site includes a discussion board (message board, forum, etc.).
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Khan Academy: Introduction to Torque Video
Learn about the basics of torque. (Total running time: 9:24) NOTE: This site includes a discussion board (message board, forum, etc.).
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eTheme Resource: Science: Gears
These sites focus on gears and explain the different types and functions of gears as well as how they operate. Interactive models, experiments, lesson plans, and games are included. There are links to eThemes Resource on simple and advanced simple machines.
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eTheme Resource: Simple Machines: Advanced
These sites include interactive models of machines such as levers and pulley systems. Explains the basic concepts of physics such as mechanics, gravity, effort, resistance, work, torque, friction, and motion. Includes lesson plans, laboratory exercises, and experiments. There are links to eThemes resources on simple machines for beginners and compound machines.
Education Standards
- AU
