Place a lead brick on your hand and hit it with a hammer and you will not feel the blow of the hammer. Repeat the demo substituting a wooden block, but do not hit the block with as much force as before and you will feel the hammer's blow.
A marble is rolled around the inside of a open hoop. Students predict where the ball will go when it reaches the opening. Demo uses an overhead projector.
Suspend an irregular object from several points and find the center of mass with a plumb bob.
A set of three transparent models that can be used to prove the Pythagorean Theorem algebraically and by inspection.
Five identical triangles can be arranged to show squares on each of the triangles sides, but one at a time.
Drop various light and heavy objects
A large blank globe that can be drawn upon with chalk.
A smaller blank globe that can be drawn upon with chalk.
Acrylic conic sections showing the ellipse, parabola, hyperbola
This model shows the curl of a vector and how the direction of a magnetic force can easily be determined.
