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Cretaceaous Period

There are 8 videos in this category and 6 videos in 1 subcategory.

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Not Right For WatchKnowLearn
Ages: 9 - 18
1206 Views:
What Really Killed the Dinosaurs?
From YouTube, produced by SciShow
What wiped out the dinosaurs? Most of us were taught it was a killer asteroid—which is true. But it turns out there was more than one disaster movie playing at the cineplex that was Earth 66 million years ago. (10:44)
July 28, 2018 at 03:41 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
264 Views:
Mosasaurs 101 | National Geographic
From YouTube, produced by National Geographic
Mosasaurs were Earth's last great marine reptiles. Learn about the surprising places they'd hunt, how some species dwarfed even the Tyrannosaurus Rex, and how key physical adaptations allowed these reptiles to become a prehistoric apex predator. (02:... [more]
December 28, 2019 at 11:15 AM
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Not Right For WatchKnowLearn
Ages: 10 - 18
3832 Views:
The Importance of Fossils - What Really Killed the Dinosaurs? BBC Science
From YouTube, produced by BBC Science
Scientists examine the effect of massive explosions on the Earth's surface by interpreting fossils. This is an interesting video from BBC Horizon show "What Really Killed the Dinosaurs?" (01:39)
May 7, 2010 at 10:43 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
3757 Views:
How Many Asteroids Hit Earth?- What Really Killed the Dinosaurs?
From YouTube, produced by BBC Worldwide
Scientists take a closer look at the layers of rock beneath the site of one of the largest asteroid impacts on the planet to see how many asteroids it must have taken to drive the dinosaurs to extinction. Video is a segment from the show, 'What Reall... [more]
May 7, 2010 at 10:39 PM
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Not Right For WatchKnowLearn
Ages: 7 - 18
8265 Views:
Ancient Sea Life in Utah
From NationalGeographicVideo, produced by National Geographic
Some 93 million years ago, dinosaur-era "sea monsters" swam the seas above what is now Utah. Thanks to paleontologists, more evidence of the ancient beasts is now surfacing. This video explains what they found using animation and narration. A lot of ... [more]
November 27, 2010 at 10:33 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
4017 Views:
Global Darkness Catastrophe - What Really Killed Dinosaurs? - BBC Science
From YouTube, produced by BBC Science
The disappearance of the plants for a long period of time provides scientists with a clue as to why the dinosaurs were forced into extinction. (02:02) This is a clip from a larger segment.
May 7, 2010 at 10:50 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
340 Views:
Reptiles of the Skies | Walking with Dinosaurs | BBC
From YouTube, produced by BBC Earth
The Cretaceous period saw the breaking up of the northern and southern landmasses. Flying dinosaurs like Tapejara would master the air and the new coast lines of prehistoric Earth. The largest flying dinosaur Ornithocheirus prepares for a long flight... [more]
January 24, 2020 at 07:37 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
258 Views:
The Time Terror Birds Invaded
From YouTube, produced by PBS Eons
About 5 million years ago, a new predator made its way from the south and onto the coastal plains of North America. It was a giant, flightless, carnivorous bird and came to be known by one of the coolest and most richly-earned nicknames in all of pal... [more]
January 17, 2020 at 06:10 PM
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