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Project title Skateboard bearings Featured science projectScience project video
Difficulty Level Middle school
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Description
Why are some skateboards more expensive than others? One of the factors influencing pricing, is the quality (and consequently, the price) of its bearings. This science fair project aims to find out how the the quality of the bearings of a skateboard affects its performance. Tests will be carried out on 5different types of bearings  

Instructions preview
1. The independent variable of this science fair project is the type of bearing used on the skate board. The dependent variable is the distance travelled by the skateboard from the ramp. This is determined using a measuring tape. The constants (control variables) are the elevation of the ramp, the length of the ramp, the surface condition of the ramp and the floor surface. 2. Purchase five different brands of skateboard bearings. Label them from A to E, from the most costly to the least costly. An assumption is made that the bearing which is the most costly is .....
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