SciShow
Why Is Neptune so Blue? and 3 Other Mysteries an Orbiter Could Solve
Neptune appears as a beautiful blue color, but why? Some scientists suggested the methane in the atmosphere gives it that color, but Uranus contains more methane than Neptune. The mystery, along with three others, requires an orbiter to...
Curated OER
Neptune
Travel to deep space and view the icy blue planet, Neptune. You'll learn about Neptune's rings, its great dark spot, size, and surface. Great graphics and real images make this a perfect clip for learners in grades 3-6.
Be Smart
The Cosmic Origins of Earth's Water
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,...
TED-Ed
Why Are Blue Whales So Enormous?
Isn't it strange that Earth's largest animal lives on one of its tiniest? Using Sesame-Street-style puppetry, this video explains how this phenomenon happens. Viewers learn that a single mouthful of krill taken in by a whale has the...
Curated OER
Coral Reef Fish Danger - Blue Planet
Coral reefs are the most diverse communities in the world, but what happens when fishermen catch the fish before they reach a state of maturity? Every year, over 30,000 tons of reef fish come into Hong Kong to be sold at the fish...
TED-Ed
Could We Actually Live on Mars?
What would be the best place to live on Mars? A fascinating look at the geographical of Mars is sure to intrigue the future astronomers in your middle or high school class. A short video introduces learners to the different...
PBS
When The Earth Was Purple
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...
Curated OER
What is the Water Cycle?
Encyclopedia Britannica produced this vintage video which focuses on the three places earth's water is present; the ocean, rivers/lakes/groundwater, and water vapor in the atmosphere. They define The Water Cycle as; "The constant...
PBS
That Time Oxygen Almost Killed Everything
Oxygen keeps us alive, but did you ever consider how Earth found the right balance? Eons produced this video as part of a larger series that explores when Earth contained very little oxygen and green oceans ruled the planet. Viewers see...
TED-Ed
My Glacier Cave Discoveries
Mapping and exploring uncharted territories may seem practically impossible on our planet, but Eddy Cartaya has found some cool places to boldly go where no one else has gone: glacial caves. He shares his experiences and excitement about...
Teacher's Pet
Introduction to Ecology
An educational video offers an overview of ecology and discusses the levels of organization from biosphere down to organisms. It also compares terms such as habitats versus niches, generalist versus specialist, and biotic versus abiotic.
TED-Ed
Could Human Civilization Spread Across the Whole Galaxy?
Ever heard of von Neumann machines? These self-replicating machines could allow for the expansion of human civilization beyond Earth. The video describes how this type of technology could open many doors for exploration and life.
Curated OER
Hardy-Weinberg Principle
After learning to calculate probabilities for single examples of genetic crosses in a previous lecture, students are exposed to the concept that allele and genotype frequencies in a population remain in constant equilibrium. A reasonable...
Crash Course
Taxonomy: Life's Filing System
Explore the history of taxonomy, the naming of organisms, with a video about Linnaeus and his classification system that is still used by scientists today to show the evolutionary relationships among organisms.
MinuteEarth
Why Does Earth Have Deserts?
Deserts make up 33 percent of the land surface area on the earth, so why does Earth have them? The video explains the wind and weather patterns that lead to deserts as well as rain forests. It details how this is related to the ocean...
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