ARBOR SCIENTIFIC Racing Marbles Lab User manual

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Racing Marbles Lab
P4-1370
KIT CONTENTS:
Ramp A
Ramp B
2 Ramp center spacers
4 Ramp Connector Screws
2 Photogate Mounting
Brackets “C” shaped
4 Nylon Washers
6 Nylon Wingnuts
1.5cm Steel Marble
ALSO UTILIZES:
Timer and Photogates 2.0 (P4-1450)
ASSEMBLY:
Your Racing Marbles Ramp comes disassembled for shipping. When assembling your ramp place
both ramps side by side on a known flat surface. Match both starting ends of the ramps in a parallel
fashion. Insert the provided screws with washers through both ramps before tightening. Rotate
between the 4 screws as you tighten the ramps to the center spacers. This process will allow you to
be sure that the ramps sit level on the table top during use. See figure below for an illustration.

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PO Box 2750 ANN ARBOR, MI 48106 T 800-367-6695 WWW.ARBORSCI.COM
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PHOTOGATE INSTALLATION:
Once Racing Marbles Ramp is assembled you can attach your Photogates (P4-1450) as shown
below.
1. Remove the standard
screw clamp from each
Photogate so you can
replace it with the “C”
shaped Photogate
Mounting Brackets
included with your Racing
Marbles Lab.
2. Screw one Nylon Wingnut
backwards onto the
reveled threads on the
portion of the “c” bracket
so that the second
wingnut will clamp the
bracket to the ramp.
LABS:
Lab #1: The Race Pg2
Using two different styles of ramps, students will predict on which ramp will a simultaneously
released marble reach the end first. These predictions will then be examined using Photogates
to determine the velocity of the marble at different points along the ramp. Grades 8-12