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| Illustrate Astronomical Phenomena on an Overhead Projector |
What is an equinox? What are the solstices? How are the tropics defined? Find out with the Eloquent Earth, an overhead demonstrator. You can easily show the Earth’s tilt relative to the sun’s rays for any time of the year, the changing seasons, variations in the length of days and nights, and different times of sunrises and sunsets. It includes a teacher’s guide. Size: 10 1/2″L x 8 1/2″W.
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