3D Eclipse


Observe the motions of the Earth, Moon and Sun in three dimensions to investigate the causes and frequency of eclipses. Observe Earth's shadow crossing the Moon during a lunar eclipse, and the path of the Moon's shadow during a solar eclipse. The angle of the Moon's orbit can be adjusted, as well as the distance of the Moon from the Earth.

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User Testimonials

Critical Acclaim

  • Winner: Best K-12 Instructional Solution

    2009 SIIA CODiE Awards

  • Winner: Distinguished Achievement Award

    2008, 2007, 2005 AEP

  • Winner: Award of Excellence

    2008 Tech and Learning Magazine

  • Winner: Best Science Instruction Solution

    2007, 2006 SIIA CODiE Awards

  • Finalist: Golden Lamp Award

    2009, 2008, 2006 AEP

  • Finalist: Best Math Instructional Solution

    2009, 2008, 2006 SIIA CODiE Awards

  • Finalist: Best Instructional Solution, Science

    2009, 2008 SIIA CODiE Awards

  • Finalist: Best Instructional Solution, Online

    2006 SIIA CODiE Awards

  • Diamond Award in Mathematics

    District Administration Magazine

  • E-Learning Innovation Award

    Macromedia Corp.

  • Best Education Website

    Webby Awards

  • Three time Digital Dozen Honoree

    Eisenhower National Clearinghouse

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