How is it that we didn't know why the ocean was salty until 1979? National Geographic Explorer-in-Residence Bob Ballard explains why such a basic question remained a mystery for so long—and where his team finally found the answer.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
➡ Watch All Today I Learned Clips here: http://bit.ly/2WatchTodayILearned
➡ Get More TIL (Today I Learned): http://bit.ly/MoreTIL
About TIL (Today I Learned):
Love crazy facts? We do too. Get ready to amaze your friends with some of the strangest facts you’ve ever heard. National Geographic explorers tell you new, obscure, and amazing things about the world (and beyond).
Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
TIL: Why Is the Ocean Salty? | Today I Learned
Tagged under: National Geographic,Nat Geo,Bob Ballard,explorer,ocean,salt,saltwater,mystery,question,science,technology,research,chemistry,black smoker,microcrystals,minerals,discovery,til,today learned
Find more lesson plans like this:Flower Pistil: Definition & Function
Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip
Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans
1. Students enter a simple code
2. You play the video
3. The students comment
4. You review and reflect
* Whiteboard required for teacher-paced activities
With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.
Carry out a quickfire formative assessment to see what the whole class is thinking
Create interactive presentations to spark creativity in class
Student teams can create and share collaborative presentations from linked devices
Turn any public video into a live chat with questions and quizzes