Gears Teacher Resources
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Gears: A Simple Machine
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.
Gears and Proportions
Students 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, students identify high and low gear ratio values. Students complete a related worksheet.
Junior Solar Sprint Series: Gears and Drive Belts
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.
Simple Machines V - Wheels and Axles and Gears
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.
The Gear Problem
For 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.
Marketing to Teens: Marketing Tactics
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!
Can You Bear It? Pulleys, Gears, Forces, Structures and Mechanisms
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.
Gearing Up--Learning About Gears
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.
Get Geared Up
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 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.
Wheels, Gears, and Compound Machines
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.
Ghostbusting in the Chesapeake
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.
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.
Order in the School
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.
Learners investigate he fishing gear and techniques utilized by commercial fishers in Magdalena Bay. They determine the ecological impacts of different fishing techniques.
The Mag Mile and ... Torque!
High schoolers 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.
Applied Science - Technology (2A) Post Lab
Second graders explore simple machines. In this technology lesson, 2nd graders look at pulleys and gears and what the uses are for each. They complete a worksheet comparing the two.
In this science activity, students focus upon the concept of bicycle gears and develop the answers to the 2 questions at the bottom of the page.
Standards-Based Approach to Polynomial Operations
Students factor numbers using Algebra Lab Gear. In this factoring quadratic equations lesson, students determine a number of different ways to factor a list of numbers. Students create a rectangle out of the pieces with no gaps and figure out what binomials could create such a rectangle for each problem. Students also create a chart in their groups that displays the attachments of each variable.