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Cornell University
Buoyancy
Swimmers know to float by turning their bodies horizontally rather than vertically, but why does that make a difference? In an interesting lesson, scholars explore buoyancy and the properties of air and water. They test cups to see which...
Curated OER
Freestanding Structures: A Tech Museum Floor Activity
Students attempt to design the tallest structure that they can with the given materials which are wooden dowels and rubber bands. They discuss the physics of their structure and how they would improve it the next time they built a...
Curated OER
Science: Avalanche!
Eighth graders examine avalanches after reading excerpts from John Muir's book, "The Yosemite." In small groups, they conduct experiments with flour, sugar, and potato flakes representing different snow consistencies. Then, 8th graders...