41
By TED-Ed
Published in 2015
One could say that snowflakes are simply frozen water -- but if you compare a snowflake to an ice cube, you'll notice the big difference. Why are all snowflakes six-sided? Why are none of them exactly the same? Marusa Bradac sheds light on the secret life of snowflakes.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
Save to List
42
By TED-Ed
Published in 2016
The Earth intercepts a lot f solar power: 173,000 terawats. That's 10,000 times more power than the planet's population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy.
Grade Level   4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
Save to List
43
By TED-Ed
Published in 2016
About 66 million years ago, a terrible extinction event wiped out the dinosaurs. But it wasn't the only event of this kind -- extinctions of various severity have ocurred throughout the Earth's history -- and are still happening all around us today. Borths, D'Emic, ad Pritchard give a quick history...
Grade Level   3 4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
Save to List
44
By TED-Ed
Published in 2016
At 8,850 meters above sea level, Qomolangma, also known as Mount Everest, has the highest altitude on the planet. But how did this towering formation get so tall? Michele Koppe peers deep into our planet's crust, where continental plates collede, to find the answer.
Grade Level   3 4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
Save to List
45
By TED-Ed
Published in 2017
In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky -- what, if anything, was going to show up? But what came back was nothing short of spectacular: an image of over 1,500 galaxies glimmering...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
Save to List
46
By TED-Ed
Published in 2015
"The Arctic may seem like a frozen and desolate environment here nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather patterns across the globe. William Chapman explains why scientists...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
Save to List
47
By TED-Ed
Published in 2017
"Deep underground lie stores of once-inaccessible natural gas. There's technology, called hydraulic fracturing, or """"fracking,"""" that can extract this natural gas, potentially powering us for decades to come. So how does fracking work and why is it a source of such heated controversy? Mia...
Grade Level   6 7 8 9 10 11 12
Teaching Media Videos or Animations
Save to List
48
By TED-Ed
Published in 2013
The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Comparing the Earth's lifetime to one calendar year, events like the extinction of dinosaurs and Columbus setting sail took place relatively recently. Joshua M....
Grade Level   6 7 8 9 10 11 12
Teaching Media Videos or Animations
Save to List