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Center Groove 12" Ruler - WOOD

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  • Wood Center Groove Ruler with Binder Holes
Lighthouse Educational
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 Product Description

12 in / 30cm
  • Pencil Groove down the middle. 
  • Binder Storage Holes
  • Standard / Metric
  • Metal Edge
Sold Individually



* This is the type ruler used in physics experiments with cups and marbles.
Newton's 2nd Law of Motion
Place one end of  the ruler on an incline (book)
Rest the other end in a paper cup that you have cut a notch out of
Roll a marble down the middle of the ruler
 - note the distance the cup moves.

Now, add a book to make the incline steeper and repeat...

Adapted from:

Science Project Ideas for Kids


Janice VanCleave's Play and Learn About Science

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