Curated OER
From Dust Grains to Dust Balls
For this formation of planets worksheet, students solve 6 problems including finding the equation for the mass of rocks as a function of time, finding the equation for the rate of growth of the mass of rocks and integrating these equations.
Curated OER
A Star Sheds a Comet Tail!
In this comet tails and stars worksheet, 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
Eagle Nebula - Close-up
In this Eagle nebula worksheet, students solve 4 problems including finding the size of the nebula field, determining the scale of the image, determining how large the nebula is in millimeters and determining the size of the smallest...
Curated OER
Counting Atoms in a Molecule
In this counting atoms in a molecule activity, students read about the molecule propanal that was discovered by the giant radio telescope in the Milky Way Galaxy. Students solve 6 problems where they find the number of atoms in the...