Staff: Classroom teacher Materials/Facilities: For each lab station, a level surface at least one meter long, a stopwatch, a meter stick, any of the "Rough Rider 4 x 4's" available in toy stores and made by LJN Toys of New York, any smooth surfaced ball (from roll-on deodorant bottles), 2 pencils, string, tape, and the ramp--a "U" shaped metal channel used for mounting bookshelves on a wall.
(a "U" shaped metal channel; used; for mounting bookshelves on a wall)
a "U" shaped metal channel
used
for mounting bookshelves on a wall