Maryland Department of Natural Resources
Eyes on Dissolved Oxygen
Learn about the factors that affect the way oxygen dissolves in salt water with a chemistry lab. After studying the molecular structure of water, young scientists figure out how aeration, temperature, and organic waste affect...
Curated OER
Too Much Oxygen or Too Little?
In this oxygen worksheet, students analyze date about the oxygen levels in a river to determine the cause of the dying fish. This worksheet has 2 graphs, 12 short answer questions, and 2 graphic organizers.
Curated OER
Snapshot Day Definitions & Activities
For this watershed worksheet, students read through related definitions and complete 17 short answer questions about deposition and erosion in the Hudson River.
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Solutions
In this solutions worksheet, students determine colligative properties, calculate specific heat, and review the kinetic theory as it applies to gases. This worksheet has 8 multiple choice and 9 problems to solve.
Curated OER
Patterns in Properties (of elements and compounds)
In this element properties activity, students complete a crossword puzzle with 91 questions related to properties of elements and compounds.