Making craters from scratch

Jun 17

Written by:
6/17/2013 8:36 AM  RssIcon

Yes, it is a bit like cooking, but without the mixing and heat.  (The clean up still exists though!)  I have offered an adult-oriented astronomy program to libraries for a couple of years now, which has been incredibly well-received.  I have been asked if I had a children's program.  Though I never put one together previously, I had thought about what I would do for one.  This last week I got asked if I would present at a camp for 6 to 12 year olds, and decided I better put a presentation together that works for that age group.

One aspect I thought would be fun  to share is to show how craters are made.  It is one thing to see an animation from a NASA video; it is another to actually witness an impactor striking "soil" and forming a crating / producing ejecta. Because this experiment won't always be possible - and because it may be beneficial to do it FOR others so they don't have to make the mess! - I made a video that demonstrates how to make craters.  Using flour, cococa and a simple box (though I used an aquarium tank), it is easy to make craters that eject material from below the surface.  

It can also provide a really fun way to teach about physics, acceleration, velocity, mass, area, etc.  I have more about how to make craters here.

Check out this video:



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The Nightlight

This blog includes what to see in the night and daytime skies, thoughts on telescopes, binoculars, and other astronomy observing accessories and equipment, plus my own occasional notes on objects I've seen and observed. Oh, and the random theater or other "my take on life" post. In other words, there is always something interesting. Check it out.