Physics Classroom
Kelper's Three Laws
A flipped classroom lesson introduces astrophysics fanatics to Kepler's three laws of planetary motion. After reading about the laws of ellipses, equal areas, and harmonies, and also learning how Newton's gravitation concepts come into...
PBS
Analyzing Light Curves of Transiting Exoplanets
Scientists detected exoplanets by measuring how the brightness of stars changed over time. Young astronomers interpret and analyze the same data that led to exoplanet discoveries. They learn to apply light curve graphs and connect the...
Curated OER
Intellectual History
In this online interactive world history worksheet, high schoolers answer 22 matching questions regarding the Enlightenment. Students may submit their answers to be scored.
Curated OER
Scientific Revolution
In this online interactive world history worksheet, students answer 20 matching questions regarding the Scientific Revolution. Students may submit their answers to be scored.
CK-12 Foundation
Ck 12: Physics Simulation: Orbital Motion
[Free Registration/Login Required] Understand angular momentum conservation in the absence of an applied torque in the context of planetary orbits using this interactive simulation. A PDF worksheet and a video tutorial are also...
Physics Classroom
The Physics Classroom: Kepler's Second Law
Kepler's second law of planetary motion is stated and explained. An animation of the orbit of a planet and an accompanying graphic assists in explaining the meaning of the law of equal areas.