Lab 3-7th Grade: Part 2- friction

Friction Davidson Students Volunteer for Science Training Presentation Spring, 2011 7 th Grade

Definition of Friction ,[object Object]

Experimenting With Friction ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Measuring Friction

Measuring Friction ,[object Object],[object Object],[object Object]

Effect Of Weight On Force Of Friction ,[object Object],[object Object],Place Here (smooth surface)

Effect Of Weight On Force Of Friction ,[object Object],[object Object],[object Object],[object Object]

Effect Of Weight On Force Of Friction ,[object Object],[object Object]

Effect Of Different Surfaces On Force Of Friction ,[object Object],[object Object]

Effect Of Different Surfaces On Force Of Friction ,[object Object],[object Object],[object Object],[object Object],[object Object],8 lead weights

Effect Of Different Surfaces On Force Of Friction ,[object Object]

Forces That Turn A Beam ,[object Object],[object Object],[object Object],[object Object],F 2 F 1

Apparatus Assembly ,[object Object],Partially insert screws into the two large holes Sit the vertical piece on top of the large wooden block and finish screwing in the screws (there are 2 holes in the bottom of vertical piece). Finished assembly Fulcrum

Forces That Turn A Beam ,[object Object],[object Object],[object Object],[object Object]

Forces That Turn A Beam ,[object Object],[object Object],[object Object]

Forces That Turn A Beam ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object]

Lab 3-7th Grade: Part 2- friction

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Lab 3-7th Grade: Part 2- friction