More science projects and experiments
A collection of science projects, videos and experiments for various grades and topics.
Science Projects or Science Experiments:
Grades 3 & 4
Six Simple Machines: the Lever, the Inclined Plane, the Wedge, the Screw, the Wheel and the Pulley
Simple Machines - Levers
The screw and the wheel and axle
Simple Machines lesson for 3rd grade unit
Pulleys - simple machines
Simple Machines lesson for 3rd grade unit. Pulley
Six Simple Machines
Most mechanical systems employ an element of at least one of these Six Simple Machines: the Lever, the Inclined Plane, the Wedge, the Screw, the Wheel and the Pulley
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