This online presentation and discussion covered the science behind three of the 2017 Explore Science: Earth and Space toolkit activities - Ice Orbs, Imagining Life, and Pocket Solar System. After a brief overview of each activity and associated materials, Katherine...
"Exploring the Solar System: Pocket Solar System" is a hands-on activity in which visitors make a scale model of the distances between objects in our solar system. They learn that there is a lot of space between planets, and that...