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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.
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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...
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Ratios And Scale
students investigate the concept of using a ratio in the work of construction and solve problems using real life applications. They read descriptions of how various types of construction professionals use ratios on the job. The lesson...
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Gears and Proportions
Learners explore gears. In this simple machines and ratio instructional activity, students view a video clip in which front and rear bicycle gears are explained. From a set of gear combinations and gear ratios, learners identify high...
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The Gear Game
High schoolers discuss that the conservatin of energy states that the energy imput must equal the energy output. They then figure out how can a machine help you to perform task otherwise considered impossible? Students discuss the six...
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Using Variables And Ratios To Get You in the Right Gear
Students examine the use of variable and ratio in everyday situations including figuring out the gear ratios for the gears on a 12 speed bike. They use the bubble sort technique to write a computer program which will determine the...
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Robot Gears
Students build simple gear trains and record data to discover how to compute gear ratios. They investigate the definition of torque and how torque can be increased or decreased in a gear train.
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Exploring Gear Trains
Young scholars work together to build a simple gear train. They record their observations as it gains speed and how the gears rotate. They develop rules about gears based on these observations.
Dick Blick Art Materials
Start with a Circle...
The Golden Ratio. The Divine Proportion. Yup. It's math and art blended into one colorful activity. Young artists combine colored tissue paper circles and parts of circles to create geometric patterns. As a bonus, kids get to figure out...
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What percent of ratio is proportion?
Ninth graders investigate the concepts of ratio and proportion.They solve examples with the teacher for ratios and proportions. A basic fraction review is used for a warm up in this lesson. The primary focus of the lesson appears to be...
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Proportional Problems 1
Eighth graders explore representing fractions as ratios and proportions. They model proportions through the use of blocks, LEGO gears and activities with bicycle gears and pedals. Students work with bicycle gear boxes to observe and...
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Build a Snowplow
Students design and build a snowplow using LEGO materials. They compete in an Engineer's Challenge to clear a path through Styrofoam peanuts.
Illustrative Mathematics
Two Wheels and a Belt
Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...
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Mechanical Monsters
Students experiment try to build a Lego car. In this physical science instructional activity students present and demonstrate the vehicle that they constructed.
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Mathematical Modeling, Circular Movement and Transmission Ratios
Students perform an experiment with different sizes of followers (from an easy to follow set of teacher directions) and record their observations. They test the rotations of the driver compared to the rotations of a follower and put the...
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TE Activity: Racing with the Sun - Creating a Solar Car
Students use a purchased kit to build a solar powered car. They connect a solar photovoltaic panel to a motor which runs the car forward and backward. They determine how to wire the car to move in both directions.
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Snail Car
Students design and create robotic cars using Legos and the Robolab program. They hold a "snail race" where the slowest car that can be determined to be actually moving is the winner.
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Adding Power to the Car
Students add a gear system to a car they built out of K'NEX parts in a previous lesson. After the gear system is added, a rubber band power system is added to the car in order to propel the car.
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Solar Racing
High schoolers harness the power of the sun to design, construct and evaluate a solar-powered model car of their creation. They race their cars in a "Solar Sprint" race modeled after the National Renewable Energy Laboratory's Junior...
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Mechanical Advantage and Simple Machines
Middle schoolers investigate simple machines. They calculate the work done by simple machines and compare the force or direction of force applied. They calculate mechanical advantage and efficiency of simple machines and identify...
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Lego Robot Competition
Students are introduced the "Lego Robot Competition", demonstrate Lego Data Control System that is controlled through tethers by laptop computers. High School students create the competition, organize the media coverage, and conduct the...
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Best Practices of Technology Intergration
Young scholars compete in a Lego Robot Competition. In this after school lesson, students design and compete in the Lego Robot Competition. This lesson includes time-lines and guidelines for an after-school club.
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How to Catch a Fish
Learners conduct an experiment to demonstrate the effects of different fishing methods. In this commercial fishing lesson plan students create posters and public announcements to share their information.
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