Factors That Affect Friction Lab - VIDEO

This is a supplement video, to go along with a lab of the same name. It can be used for student make-up, an extension activity for students, or for teacher instruction, on how the lab should work.

The video is 13 minutes long, and is 720p, mp4

Feel free to share this via any private method with your students, such as a private Youtube channel, or Google Classroom.

In this lab, students look at various factors that affect the frictional force between two objects:

-Type of surface

-Mass of objects

-Type of friction

-Surface area

Materials Required:

-Spring scale (either 1 for the class, if data is collected as a group, or one per student group)

-Block of wood (I used a 1ft piece of sanded 2x4)

-Some method of attaching the scale to the block (to pull it)

-A piece of sandpaper

-Wooden dowels

-An object with roughly 2-3x the mass of the block (heavy book?)

I use a digital force gauge, connected to my computer, in conjunction with a camera, to collect the data from the lab as a CLASS, so everyone’s working from the same data set. This could also be done with an analog spring scale, and a camera. It just depends on whether you want them to collect their OWN data or not.

I use this lab in my 7th grade classroom, but it would work equally well in a higher level classroom, particularly, if students are pushed farther when it comes to defending answers with data from the lab, or creating more complex explanations of the results.

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  • Friction-Lab.mp4

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Created: Dec 29, 2018

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mp4, 95 MB

Friction-Lab

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