Archive for the 'Water' Category


The Trip of a Drip

Wednesday, June 25th, 2008 3:03 pm

Written by: Jessica Fries-Gaither

The concept of evaporation is generally understood by students in grades 5-8, but they may be unsure of the journey that a single drop of water takes from the sky to earth and back again. The National Science Education Standards stress that the process of condensation requires extensive observation and instruction if students are to […]

Posted in Topics: Earth Sciences, Quick Takes, Science, Water

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Swimming Pool Chemistry

Thursday, May 15th, 2008 4:51 pm

Written by: Kimberly Lightle

Summer’s here and that means it’s time to head for that clear, cool, and refreshing pool! Did you know that children swallow at least 37 ml of pool water each day they swim for 45 minutes or more? Do you know how many microbes can fit into just 1 ml of water? A lot!
Here are […]

Posted in Topics: Chemical Reactions, History and Nature of Science, Life Sciences, Microorganisms, Personal and Social Issues, Physical Sciences, Properties of Matter, Quick Takes, Science, Science and Technology, Water

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Phoenix Mission to Mars: Final Seven Minutes of Terror

Wednesday, April 30th, 2008 4:03 pm

Written by: Kimberly Lightle

After traveling 422 million miles since its launch last August, the Phoenix Mars Lander is aiming for a touchdown on Sunday, May 25, 2008 in the unexplored regions of Mars. But first it must survive what engineers are calling the “final seven minutes of terror” to reach the surface of Mars. Watch a video of […]

Posted in Topics: Mars, Quick Takes, Science, Space Exploration, Space Sciences, Water

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