In the first two lessons of this series on space-time, we've dealt with objects moving at constant speeds, with straight world lines, in space-time. But what happens when you throw gravity into the mix? In this third and final lesson,...

How does an astronaut prepare physically and mentally to launch into space? NASA astronaut Megan McArthur, who traveled to the International Space Station in April 2021 as part of the SpaceX Crew-2 mission, shares stellar life lessons...

Space is where things happen. Time is when things happen. And sometimes, in order to really look at the universe, you need to take those two concepts and mash them together. In this first lesson of a three-part series on space-time,...

Sometimes science news is less about stuff that actually happened, as much as it is about people going "PAY ATTENTION TO ME" and space news is no exception. In fact this week there was probably as much hype as real news, all in the name...

Light always travels at a speed of 299,792,458 meters per second. But if you're in motion too, you're going to perceive it as traveling even faster -- which isn't possible! In this second installment of a three-part series on space-time,...

Space physicist Miho Janvier studies solar storms: giant clouds of particles that escape from the Sun and can disrupt life on Earth (while also producing amazing auroras). How do you study the atmosphere on the Sun, which burns at...

On June 13, 2013, China's crewed Shenzhou 10 spacecraft made its successful docking with the Tiangong-1 space lab, marking the country's second mission to the mini-space station. This kicked off 12 days of docked operations for Shenzhou...

Movies take a lot of dramatic license where science is concerned, but who's getting it all wrong on the silver screen. From the g-force you would suffer when achieving lightspeed to what a nuclear bomb would sound like in space we...

Award-winning journalist, space historian and author Andrew Chaikin discusses the Apollo Program, almost 50 years after the Apollo 11 Moon landing.

Science journalist and Apollo historian Andrew Chaikin discusses why the Moon is a desirable object for exploration and makes the case for ​applying the lessons of the Apollo lunar program to NASA's Artemis program. HWHAP Episode 113.

This video is a lesson about sound and how it works. It covers topics such as the definition of sound, how sound is produced through vibrations, the different types of waves (transverse and longitudinal), the speed of sound in different...

Ancient perceptions of lunar eclipses weren’t as primitive as one might think. Some rigorous math was applied to these cosmic events that shaped our understanding of the solar system.<br/>

Students will learn to program their Arduino car to stay in a lane in this video. This video is part of the Arduino Self-Driving Car Lesson video series.

Brook Lakew, the Associate Director of Planning and R&D at NASA’s Goddard Space Flight Center, has lead a variety of successful missions for NASA. But proposals are often rejected for failing to meet science, technical and cost...

Gustavo is a Global Teacher Prize 2020 Top 50 Finalist. He is passionate about education, technology and innovation. At his School in the City of Guadalajara, México, he works on projects with disadvantaged communities who deal with...

This video lesson explains how to use line plots to solve problems and interpret data. It emphasizes the importance of organizing data and being accurate with spacing when creating line plots. The example used in the video involves a...

Is China leading the way in technology? Well, it will definitely help you to spell it. Discover how in spelling lesson 42. .

The stringr package in R is a comprehensive suite of tools designed to simplify string operations, whether you're parsing text, cleaning data, or preparing strings for analysis. It's a must-have for data scientists, analysts, and anyone...

This video is a lesson about the solar system, specifically focusing on the Milky Way galaxy, the inner planets (Mercury, Venus, Earth, and Mars), the outer planets (Jupiter, Saturn, Uranus, and Neptune), and their characteristics. The...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on thinking in scale.


TERMS
Phenomena - observable events in the natural world (require exp
lanations)
Time - an irreversible s
eries of...

If you are a teacher who is trying to make new lesson plans, or a student trying to learn more, we have some psychology hacks for you!

An ancient, abandoned alien space station has been discovered. Can you beat everyone in the galaxy and reach it first? -- It’s an incredible discovery: an abandoned alien space station filled with precursor technology. Now every...

Our universe started with the Big Bang, but how will it end? Explore cosmologists’ three possible scenarios: the Big Crunch, the Big Freeze and the Big Rip. -- We know about our universe’s past: the Big Bang theory predicts that all...

Every star, black hole, human being, smartphone and atom are all constantly pulling on each other due to one force: gravity. So why don’t we feel pulled in billions of different directions? And is there anywhere in the universe where...