Three Classes of Levers

Planning a unit on simple machines? Save some time and energy with this collection of lessons and activities that explores how these devices are used in the real world to make life a little easier. 

All mammals have warm blood, are vertebrates, breathe with their lungs, have hair or fur on their bodies, and produce milk for their young. But not all mammals give birth to their young in the same manner. Watch a video that explains how...

Discover different dimensions with paper folding. Pupils first read about zero, one, two, and three dimensions, and then learn about the fourth dimension, time. They then use origami to create models of shapes in three dimensions and use...

Introduce your class to to the remaining three simple machines-- the lever, pulley, and the wheel-and-axle with a plan that includes the three different types of levers in the discussion of levers. The lesson continues with the...

Photocopy single-color images onto acetate transparencies and either demonstrate or have your class experience the combination of colors to produce images. Children will learn that cyan, magenta, yellow, and black combine to make all of...

Exactly what did Archimedes mean when he said, "Give me a place to stand, and I will move the Earth"? Watch this video and find out as it explains the mathematics behind levers, and explores a few fun hypothetical situations...

Scientific models help explain ideas and concepts to non-experts. The online activity covers conceptual, mathematical, and physical models. Through four multiple-choice questions and three discussion questions, scholars gain a deeper...

A reading of Whale Journey, a fact-filled picture book by Vivian French, launches a study of the life cycle and migration of three generations of gray whales. The interdisciplinary lesson offers opportunities extensions into all subject...

Need some information on the brown-throated three-toed sloth? In this reference guide learn all about the sloth's unique characteristics, physical characteristics, habitat, diet, and much more!

It is plane to see that simple machines help reduce the force needed to perform a task.  This resource introduces three of the simple machines--the inclined plane, the wedge, and the screw, and  the formulas in order to be able...