The Right Ratio of Rest: Proportional Reasoning

Young scientists learn how to select a scale factor for a large scale model. Then they figure the scale for each of the planets and the distance between them. Finally, they construct a giant scale model of the solar system and answer...

How does one become an astronaut? Astronaut Joe Acaba discusses his journey to space in a video from the "STEM on Station" series. He encourages learners by explaining how little moments in his life led to his opportunity to explore...

How have astronauts inspired each other? Astronaut Ricky Arnold introduces the "STEM on Station" series and how the Challenger accident affected his decision to become a teacher—and later an astronaut. He connects the new demonstrations...

Your class will not drift off to sleep during this episode on circadian rhythms. Though the narrator speaks quickly and continuously, he successfully explains our biological clock in a way that holds interest. Assign the viewing of this...

Does something seem missing from your Physics class? Is it ... excitement? Current physics topics? The latest discoveries? The video explains some of the "gaps" in most physics curricula throughout the United States. Scholars learn...

Have you ever wondered what a solar eclipse looks like ... on Mars? Explore eclipses throughout the solar system with a video from a comprehensive playlist that covers many physics concepts. With images and conceptual drawings, viewers...

The numerous accomplishments of astronaut/aquanaut Scott Carpenter are discussed in this biography. The biography details his work with NASA and the U.S. Navy and discusses his life after retirement.

Thoroughly written, this plan walks you through every detail of having your high school astronomers design scale models of the solar system. Complete instructions on building to scale, lesson procedures, and associated worksheets are all...

NASA's Jet Propulsion Laboratory at the California Institute of Technology is "the lead US center for robotic exploration of the solar system."

Supernovae are divided into two basic physical types, including a description of supernova types and how they are classified based on the existence of hydrogen spectral lines. Definitions of key terms are provided.