College Board
2006 AP® Human Geography Free-Response Questions
People aren't the only things moving—businesses do, too. Scholars examine what causes human migration and its effects as well as what factors go into a business's decision to relocate. They analyze the complex dynamics in human...
Curated OER
Which Falls Faster?
Second graders study force and what it does. In this motion lesson students complete a demonstration on force and gravity and share their ideas.
Curated OER
Zome System
Get hundreds of interactive activity plans using the Zome Modeling System. Among dozens of lessons, a first exposure to similar triangles can be very visual for the learner. Here, young geometers explore the number of different shapes...
Curated OER
Circular Motion
Twelfth graders discuss centrifugal force, frictional force, and critical speed as it relates to the popular amusement park ride, the Gravitron.
Curated OER
Finding Mass in the Cosmos
In this finding mass in the cosmos learning exercise, students use the equations for the force of gravity, the centrifugal force pushing a planet outwards and the speed of a planet to solve 2 problems. They find the mass of primary...
Curated OER
Spin Art
The best part about spin art is that is demonstrates the concept of centrifugal force. Explore the magical spin of gravity as you make colorful art. This lesson idea is short, very simple, and requires a spin art machine.
Curated OER
Centrifugal Force and Mandy Sue Day
Fourth graders explore the story Mandy Sue Day and investigate centrifugal force. They demonstrate the concept of centrifugal force, use analytical thinking and they conduct an experiment using centrifugal force. Students discuss the...
Curated OER
It's All in the Wrist
Students conduct experiments with balloons, pennies, marbles and cups to help them understand the concept of centrifugal force or Newton's Law of Motion.