Make Moon Cycles. Key concepts Sun and moon Solar system Orbits From National Science Education Standards: Changes in Earth and sky Introduction Why does the moon seem to change shape each night?
The moon itself, of course, isn't changing. But because it is moving around Earth as we move around the sun, the amount of light that we see reflecting off the surface of the moon varies from day to day. About every two weeks, the moon goes from being nearly invisible—what is called a new moon—to being bright and full in the night sky—a full moon. An easy way to understand these changes is by using a lamp and an orange to create a rough model of the moon's orbit around Earth. Background Here on Earth, we see the moon cycle through its phases about every 29.5 days (which is slightly different from the amount of time it takes the moon to orbit around Earth, which is 27.3 days).
Preparation • Place the lamp (without its lamp shade) on a table or other surface. Read on for observations, results and more resources. Why the United States Is Destroying Its Education System - Chris Hedges' Columns. Why the United States Is Destroying Its Education System Posted on Apr 11, 2011 By Chris Hedges A nation that destroys its systems of education, degrades its public information, guts its public libraries and turns its airwaves into vehicles for cheap, mindless amusement becomes deaf, dumb and blind.
It prizes test scores above critical thinking and literacy. It celebrates rote vocational training and the singular, amoral skill of making money. Teachers, their unions under attack, are becoming as replaceable as minimum-wage employees at Burger King. Passing bubble tests celebrates and rewards a peculiar form of analytical intelligence. Teachers, under assault from every direction, are fleeing the profession. Get truth delivered to your inbox every week. Previous item: The End of Shutdowns Next item: Demanding the Impossible New and Improved Comments If you have trouble leaving a comment, review this help page. Relaxation Scripts. For teachers - Templates. <div class="cdOLblEmRed cdSearchResultsMargin">Warning: This site requires the use of scripts, which your browser does not currently allow.
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Mr. Whitson taught sixth-grade science. Websites for Educators. Top 20 Websites No Teacher Should Start the 2010-2011 Year Without. I have to tell you that it was a tough call to make these decisions, especially when we’re talking every teacher no matter what grade level or subject, but I hope that you find a couple of gems to put away in your virtual treasure box.
You may have others you’d like to add to the list. Please post them in the comments for all of us to explore. A great photo editing tool is a must for teachers and I recommend Aviary, LunaPic, Picnik, or BeFunky with some being simpler than others, but all having unique features. Explore all the tools and choose the best option for your skill level. Creaza and Jaycut are answers to the Windows XP Movie Maker and Flipcam problem. Delicious or Diigo are online bookmarking networks teachers need. Doodle is a groovy scheduling tool teachers can use when setting up a collaborative work meeting or building social committee event. Dropbox is one of my absolute favorite tools shared with me by Intel Teach buddies Glen Westbrook and Jill Summers.