Gears Teacher Resources

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Fifth graders put one axle in each of four gears finding or making a mark on each gear. They label one gear as the driver, and one as the follower and put the two gears on the baseboard with the marked teeth touching and then turn the driver one complete time around clockwise watching the follower and recording how many times the follower turns and in what direction.
Young scholars explore gears.  In this simple machines and ratio lesson, students view a video clip in which front and rear bicycle gears are explained. From a set of gear combinations and gear ratios, young scholars identify high and low gear ratio values.  Students complete a related worksheet.
Activate middle schoolers' minds with this physical science activity. Learners vary the diameter of gears and the number of teeth on them to find how energy output is affected. This writeup features well-developed background information for the teacher and provides a laboratory worksheet for the learners.
Fourth graders investigate the principles and uses of gears, and examine how gears can be used to alter the direction of motion or the speed of an object. They observe two cars with different sized wheels roll down an inclined plane, and conduct an experiment using a gear factory kit.
In this math worksheet, students apply their knowledge of angles and rotation to solve a word problem involving an old pocket watch.  They discuss gears, rotation and accuracy.
Here is a game geared toward elementary engineers. Given a selection of different-sized gears, they must strategize an arrangement to power a particular cog. Get your engineers' gears turning with this app!
Students review the types of simple machines. As a class, they focus on the positives and negatives of pulleys and gears and identify what pulleys and gears change of an object. They work together to design their own object to support a group of gears and pulleys and present it to the class.
Middle schoolers calculate gear ratio as they solve word problems. They discuss and find slopes as they relate to real life. Additionally, they hey use ratio and proportion to make predictions and solve problems.
In this learning about gears worksheet, 5th graders read and discuss a 1 page article on gears, fill in 7 blanks to complete 5 facts about gears and make a set of gears from a template provided in the worksheet.
In this gears worksheet, students use a ruler and gears to conduct an experiment. Students follow 11 sets of directions,write a conclusion, and graph their results.
Fifth graders read selected pages from their science text and explain forces affected by wheels and axles. They read and discover that gears transfer forces and that gear combinations relate to compound machines.
Students investigate he fishing gear and techniques utilized by commercial fishers in Magdalena Bay. They determine the ecological impacts of different fishing techniques.
Students complete pre reading, writing, and post reading activities for the book Work and Play Pulleys and Gears. In this guided reading lesson plan, students complete writing, go over vocabulary, answer short answer questions, have discussions, and more.
Students explain how helmets protect the head from injury. In this physics lesson, students design their own helmets after considering certain parameters. They present their design in class.
Ghost pots, fishing gear lost during crabbing expeditions, continue to trap crabs that are never collected. Increase your budding ecologists' awareness of human impact on the environment as well as conservation efforts using this resource. Links to an interesting video, a slide show, actual fishing gear data, and a worksheet are provided. You can use this not only in a marine biology unit, but also in any situation where you want to get learners thinking about human impact.
Enlighten young consumers to advertising techniques aimed specifically at their generation. Have learners answer questions about how advertisements are geared for a younger audience, then have them practice selling to other teenagers. Afterward, writers analyze the techniques they used and agree or disagree with some statements listed. Develop awareness among the youth while having fun being creative!
Explore the elements of newspaper from the view of the front page. Young analysts create a front page of a newspaper geared toward teen readers. They use their inference skills to determine why some front pages are more eye-catching than others. 
Students consider goods and services that might be at the base of successful Web-based delivery services geared to students their age while they are in school. They act as entrepreneurs to develop plans for such services and create advertisements.
Students use paper plates and detailed directions to build a model of the Michigan Avenue Bridge's gear system. By carefully measuring and cutting "teeth" for the gears of the "Gear Train," they create small gear that will intersect the larger gears, and calculate the amount of torque and power required to move the bridge leaf.
Fourth graders discover the principles and uses of gears noting that they can be used to change the direction of motion or the speed of an object. They may also change the force and/or distance through which an object turns. They then brainstorm to come up with every day examples of simple machines.

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