Curated OER
Dissolved Oxygen Activity
Pupils explore why dissolved oxygen must be present for aquatic life to survive. They explain what dissolved means. Students discuss what dissolved oxygen is. They watch as the teacher lights two candles and place a jar over one of the...
Curated OER
Freshwater Fish Water Quality
Sixth graders work together to complete an experiment about the quality of freshwater. In groups, they collect fresh water samples from a variety of sources and test the pH levels. After completing a KWL chart, they test the amout of...
American Museum of Natural History
What's This? Breathing
Crazy fact: Some animals can survive months without oxygen. An online resource describes some unique ways animals collect oxygen and even live without it for an extended time. Learners read about these special animals and use pop-up...
Curated OER
Salmon Scavenger Hunt
Students go on a salmon scavenger hunt to find out about threats to salmon populations. They gather information about some of the reasons wild salmon have gone from such incredible abundance to relative scarcity, and about some of the...
Curated OER
Fishkill
Learners analyze data to determine the effect of thermal pollution on a certain species of fish. They graph temperature and dissolved oxygen and make inferences on the impact a change in temperature could have on the fish. As a class...
Curated OER
Teaching about Fish Stocking Decisions
Tenth graders complete a directed study, form the internet, and then complete activities.
Curated OER
What Are We?
Young scholars list and describe three types of surface water pollutants. They observe the effects of various water pollutants on algae growth. Three causes of each surface water pollutant is listed.
Curated OER
Leaf - It's What's for Dinner
Students discover correlations in food preferences of invertebrates, and assess stream health through use of kicknets, invertebrate keys, CBL systems and probes.
Curated OER
"Pennsylvania Watersheds, Many Ways to the Sea"
High schoolers trace a molecule of water through the water cycle including each of its three loops. They describe why evapotranspiration demands the largest portion of total precipitation falling on a forested watershed.
Curated OER
Teaching about Aquatic Respiration
Students explore respiration in a lake ecosystem by experiment and research.
Curated OER
N, B, and T: Pollutants Three
Students explore nutrient, bacterial, and toxic surface water pollution. They identify the amount of water they use each day and summarize the kinds of substances that cause water pollution. They predict what will happen in water...