NASA
The Science of the Sun
There's more to that glowing ball of light in sky than most children realize. From the overall structure of the solar system, to the changing of the seasons, these hands-on lessons open the eyes of young scientists to...
CK-12 Foundation
Seasons: Shadow Lengths
Before iPhones and calendars, how did humans determine the seasons of the year? Middle school scientists discover how to use shadows to determine the time of year in an enlightening interactive. Pupils manipulate the sun and examine the...
Curated OER
Constellations
Pupils explore constellations. They read trade books about constellations and write notes including their locations, origins, and names. They research and report on one constellation in the Northern Hemisphere and share their report with...