Friction on an Inclined Plane

This complete kit includes an inclined plane with pulley and protractor, a Hall's cart, and a standard weight hanger.

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Contains everything needed to observe the frictional force of 4 different surfaces: rubber, cork, sandpaper and cardboard.

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This deluxe rock collection for classrooms set of 50 number-coded loose 1" specimens is ideal for classroom use for all earth science studies. A great variety of rocks & minerals for your students to handle.

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This economical 2" digital stopwatch features time, date, alarm, start/stop, and lap/reset functions.

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A great way to explore static electricity! Included are a pith ball electroscope, fur friction pad, balloons and glass rod.

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Hey there, rock hounds! Use this 15-specimen Rock Study Kit for endless hands-on testing and observation. Inside, you'll find number-coded, 1" specimens of igneous, sedimentary, and metamorphic rock.

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Study optics with this complete kit.

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Build a robot that can follow a black line or react to motion, light, or touch. This BlueBot 4-in-1 Robotics Kit is perfect for a budding robotics enthusiast - no prior experience with robotics or electronics needed!

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The Hydraulic Machines 4-in-1 Pack brings four wooden machines to life with hydraulic power.

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Perform 46 amazing magnetic sculptures with the two powerful bar magnets and 35 custom pennies in this kit.

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