User login


Search Results


Showing results (1 to 1 of 1)

  • Thumbnail
    American Association for the Advancement of Science
    Add to list Details
    In this lesson that includes hands-on activities and demonstrations, learners discover that it is the tilt of the Earth's axis (not its proximity to the sun) that causes the seasons. Learners...

    free Ages 11 - 14 45 to 60 minutes

Current filters


  • Query parameter - ddssearch_q - not supported

  • Query parameter - verb - not supported

  • Query parameter - search-type - not supported

  • Informal Category

  • Resource Type

  • Source Institution

    • American Association for the Advancement of Science (remove)