How do we know global warming isn't just mother nature having hot flashes? The video describes the greenhouse effect and how it is necessary to life on this planet. Then it explains greenhouse gases and how increasing them can lead...

Fly around the Martian surface. Pupils view a presentation on the planet Mars featuring a flyover that shows different views of the surface where rovers have landed and explored on different missions. As individuals watch the images, the...

What are space dust bunnies and why are they important to us? Pupils explore space dust bunnies and how these particles helped form the planets. To understand the phenomenon, class members investigate the chemistry behind dust particles...

Some days seem longer than others, but recent research proves our day actually lasts much longer than in the past. SciShow Space shares recent research on the length of Earth days and how this data confirms past research with much more...

What is the probability of finding water on the moon? It seems it is pretty high, but the difference between finding it and keeping it are two very different things. A video lesson takes a trip through history discussing the many...

The solar system is more than 4.5 billion years old. What we know about the age of space bodies is thanks to the moon rocks collected over 50 years ago. An episode of the SciShow Space series breaks down the concept of relative dating to...

Evidence suggests that Pluto has undergone polar wander. A video instructor explains how Pluto's axis of rotation may have changed and how this is possible. The lesson focuses on the science behind the discovery and what it tells...

Scientists often define their underlying assumptions, but not always from a philosophical approach. Viewers learn about the philosophy of science from three experts in various fields. They discuss how the perception of science changes as...

Humans constantly change the earth by building things, using natural resources, and relocating plants and animals. The lesson considers would happen to the planet if humans were gone. The narrator discusses the changes in buildings and...

Scientists know Earth's plates are constantly moving. One big question scientists have is, "When did they start moving?" PBS 6-8 Story of Earth series presents the research of one scientist trying to answer this question. Viewers learn...

Go for a ride on the continental drift. A video animation shows the movement of land over a period of 200 million years. The lesson instructor explains the shift during the animation and gives pupils a unique viewing perspective to...

Was Earth born as a Blue Planet? Discover where water came from with a video from an intriguing science playlist. The resource covers the three most likely origins of water, how scientists differentiate between comet and asteroid water,...

They tried to put a ring on it! In the 60s, scientists had a plan to improve communication technology. Adding a ring of copper needles around the earth would help to boost radio wave signals. Scholars can watch a video lesson from a...

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...

One short riddle can make for some great brainstorming! Introduce young scientists to the hiker riddle with a video from the Physics Girl playlist. The puzzle involves a hiker walking due south, then due east, then due north in one-mile...

Light travels in interesting ways through the solar system. A video episode from a longer series highlights how the sun's rays travel to the earth and moon and sometimes in between. Scholars learn about reflection properties on a very...

Earth appears blue and green now, but an interesting video covers a theory about when our planet was purple. We know the sun emits mostly green light, so why do most plants repel green light rather than absorbing it? Did purple microbes...

Care to speculate on how life on Earth came to be? The video presentation from the ACS Reaction series considers the possibility of comets creating the right conditions for the formation of life. Scholars consider colliding comets as...

How do we learn more about the planets in our solar system? Bill Nye discusses the Juno space probe during an interesting video as part of the THNKR Why with Nye! playlist. Topics include how scientists launched the probe, how NASA used...

Take a trip back in time as the history of the earth is uncovered. An interesting video lesson explains the different methods scientists use to learn about the earth's past. While emphasizing teaching strategies, the lesson instructor...

The motion of the earth around the sun creates many different patterns in our world. Watch as a video instructor explains the patterns of moon phases, sunrise and sunset times, seasons, tides, and constellations among others. He also...