Curated OER
A Star Sheds a Comet Tail!
In this comet tails and stars activity, students read about the star Mira and the vast clouds of gases it emits. They use a photograph from the Galaxy Evolution Explorer satellite to solve 5 problems about the scale of the image, the...
Curated OER
Planting Phil's Garden
Students explore gardening. For this agriculture lesson, students plan and plant seeds according to the procedure modeled by a "master gardener." Flowers are distributed at a local retirement home.