'Heavy bodies' diaporamas de présentation

Simple Machines

Simple Machines. Inclined Plane, Wedge, & Screw. Wedge. Screw. Inclined Plane. Mechanical Advantage. Ratio of the magnitude of the resistance and effort forces Ratio of distance traveled by the effort and the resistance force

337 views • 19 slides

Science in the Dark Ages

Science in the Dark Ages. The world is still largely undiscovered. People in one country or continent know little or nothing about people or ideas elsewhere. Much of the flourishing of scientific thought is taking place in China and what is now known as the Middle East. Important Conditions.

415 views • 15 slides

A Trip to the Zoo

465 views • 11 slides