Curated OER
Counting Atoms in a Molecule
In this counting atoms in a molecule worksheet, learners 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...
American Museum of Natural History
Journey to the Stars
Fifteen detailed pictures and informative captions delve deep into the exploration of stars—their life cycle and importance in the universe.