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Global Science
Number: 0142 Anonymous: Use a globe of the Earth to learn about seasons, day and night, and the scale of the solar system.Sorry, but this content is reserved for subscribers only.Your $20/year...
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Finding Your Way
Number: 0009 Anonymous: An easy way to tell which way is North, South, East, and West. Sorry, but this content is reserved for subscribers only.The $20/year subscription helps cover the costs of...
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Planets and Pennies
Number: 0050 Anonymous: Try this easy way to visualize how gravity differs from planet to planet.Sorry, but this content is reserved for subscribers only.The $20/year subscription helps cover the...
View ArticleCD Spectrum
Anonymous: This week's experiment uses a computer CD or DVD. If you have ever looked closely at either a music or computer CD, you have probably noticed that they produce rainbows. If you hold the CD...
View ArticleEclipse Watching
Anonymous: This week's experiment comes from Sheldon Schafer, Director of Science Programs and Facilities at the Lakeview Museum of Arts & Sciences in Peoria, Illinois....
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Why is a Full Moon So Bright?
Anonymous: Have you ever been outside on a clear night, when there was a full moon? If so, you probably noticed that it was incredibly bright, almost ten times brighter than a half moon. How can that...
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Science Photo of the Day #838
I took this photo this morning (10:27 AM) while making the hike to the mailbox. What direction was I facing?thumb: read more
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Science Photo of the Day #322
A full moon is almost ten times brighter than a half moon. Why?thumb: read more
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Science Photo of the Day #384
Looking at the shade under a tree, why does the light form circles?thumb: read more
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Imagining Geologic Time
Number: 221 Anonymous: Sorry, but this content is reserved for subscribers only.The $29.95/year subscription helps cover the costs of producing new videos, writing curriculum units, site development,...
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