How far have we traveled?

Does the space shuttle have an odometer? Maybe, but all that is needed to determine the distance to the moon is a little geometry! The lesson asks scholars to sketch the relationship of the Earth and moon using shadows of an eclipse....

How far is it from your house to the grocery store? If you answered in time rather than distance, there's a scientific explanation. Science scholars compare distance/time quantities in a short, animated video. Topics include time being...

Are you ready to take your learners on a time travel exploration? The short video segment uncovers the nuances of time travel and the scientific theories behind this sometimes misunderstood activity. Learners conclude with a discussion...

Can we use the stars to navigate if we're actually among them? Space-age scholars explore the precise planning that goes into long-distance exploratory missions using a video from THNKR's Why with Bill Nye! playlist. Bill Nye explains...

Is the moon relatively close? Relatively far away? Examine some images of Earth and the moon together ... and answers will vary. The narrator examines the problem of scale in an eye-opening video. He uses a basketball and a tennis ball...

You've always wanted to know why ytterbium is called ytterbium, haven't you? An engaging video investigates the discovery of elements throughout history. It posits the theory that we are close to having discovered all the elements.

Turn to the dark side ... of the moon, that is! Young space explorers learn why the dark side of the moon is never visible here on Earth in an animated video. The resource shows how the moon formed, its dizzying early orbiting pattern,...

Imagine living in a neighborhood where the houses on your street keep moving farther away until your house is the only one in the reachable vicinity. That's what is happening in our universe, except your house is our galaxy, and the...

Curiosity is the desire to learn or know, and it is also the name of the rover that landed on Mars in 2012. Mohawk-sporting Bobak Ferdowsi, a NASA engineer also discusses how and why we study Mars. He provides facts about the rover and...

There are so many galaxies in the universe that the vast majority of them are too distant for the human eye to perceive. An astronomy video discusses the Hubble Telescope's Deep Field image from 1995 and the eXtreme Deep Field image...