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Wheel & Axle
Apparatus for determining the mechanical advantage and demonstrating the
principle of conservation of energy. Consist of a four-step wooden
wheel of 35, 50, 65 and 105mm diameters fitted with ball bearings, turning
on a single plated steel rod which can be clamped to a support stand using
a right angle clamp. Each wheel has a flat groove to accept several turns
of a cord with a small hole at each grove for holding a knotted cord. Can
be fitted to a support stand with a right angle clamp (not included).
No. SK250-WA. Only $19.75 |
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Wheels at Work
Learn how wheels work. Explore the
difference between a rotating wheel and a wheel-and-axle unit. Learn
what makes the wheels on cars and trucks go round. Learn about the
difference between the wheels on your family car and the wheels on a big
rig. Students conduct 8 to 12 different experiments and build
their own set of wheels! Kit comes complete with enough materials to do
the exercises over and over again!
No. SK250-WW. Only $39.95
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Wheel Mechanism Kit
This kit explores every aspect of the wheel as used with axels and the
principals are applied in gears and pulleys. Demonstrates the
efficiency of force as applied to various types of work. Materials
for twelve in-depth activities and everything stores in heavy plastic
storage bin. 18 page Teacher Manual. Recommended for both middle
and high school.
No. SK250-WM. Only $109.95 |
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