How do wolves affect the food web and change rivers? Video

This is an excellent video about how the absence and reintroduction of wolves in Yellowstone affected the Yellowstone food web and even change the behavior of rivers.  Now you might be wondering as I did, how in the heck can wolves change the behavior or the Yellowstone rivers.   The images in this video are very beautiful and your students will enjoy this short video.  If you are teaching some ecology in your science classroom then this video is for you.

Bill Nye-The Joy of Discovery

Bill Nye said about the Joy of Discovery is awesome.  It is the joy of discovery that makes every human being a scientist.  We explore, test, hypothesize and form conclusions.  Watch this video with your students to see if they agree with what was said.  The images and videos attached to this video are beautiful.

How small is an atom? Video

This video does an excellent job explaining the answer to the question, "How small is an atom?  It compares an atom to the size of a grapefruit and a blueberry.  It is amazing to visualize just how small atoms really are.
 If you happen to be teaching about atomic structure, this might help your students understand this particular scientific concept.

How does your nose smell? Video

This is a TEDed lesson on how our noses smell and detect odor. This is a cartoonized video with a great story track.  This science video goes through the different parts of the nose and some parts of the tongue as taste and smell go hand in hand.  The video also discusses the difference between certain animals and our human noses.  One of the interesting science concepts that is discuss is why some people lack a sense of smell.

Do aliens exist? Video

When you are teaching a unit on Astronomy, inevitably you are going to get into a discussion with students on the possibility of life outside of our own solar system.  This video asks people on the street whether or not they believe in aliens.  The responses are great to listen to.  The discussion of the video is more about the knowledge of how vast a galaxy really is.  If people understood how far a light year actually is, it would be less likely that anybody would believe in the alien types that visit the Earth.