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The Winter 2010 issue of The Earth Scientist includes a variety of educational resources, ranging from astronomy to glaciers. Check out the other publications and classroom materials in our online store.

Make It Rain!

Here's a neat experiment that makes rain in a jar. Plus you get to tell your parents or teacher what to do! You will need a parent or teacher, a jar with a metal lid, 1 cup of water, a hammer, a nail, ice cubes, and salt.

Have your parent or teacher use the hammer and nail to make 5 dimples on the inside of the metal lid. Make sure they don't poke holes through the lid, just little indentations. Then have them boil one cup of water. Tell them to pour the boiling water into the jar. Place the metal lid upside down on top of the jar, completely covering the mouth of the jar.

Now it's your turn. Place 3-4 ice cubes into the lid. Add a little bit of cold water and a pinch or two of salt and stir. Make sure the mouth of the jar remains completely covered by the lid.

Wait a few minutes and watch as drops of rain start to fall from the lid to the water below.

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Cool It! is the new card game from the Union of Concerned Scientists that teaches kids about the choices we have when it comes to climate change—and how policy and technology decisions made today will matter. Cool It! is available in our online store.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF