It's About Time
The History and Scale of the Solar System
Take scientists beyond our earthly reach and into the solar system. Pupils create a model of the solar system and discuss strengths and weaknesses of their model. They calculate distances in light years, discuss the nebular theory, and...
Curated OER
Scale Activities
How do you put something as large as the universe in perspective? Use a series of scale experiments. Classmates collaborate around four experiments to examine the scale of the earth-moon system, our solar system, the Milky Way galaxy,...