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Using Environmental Models to Determine the Effect of Acid Rain on an Ecosystem
Demonstrate to your middle school science learners how chalk breaks down in a weak acid. Discuss what affects acidic rain might have on ecosystems. Lab groups then choose one of two questions: "How does acid precipitation affect an...
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Dissolved Oxygen in an Aquatic Ecosystem
High schoolers explain why dissolved oxygen is important in aquatic ecosystems. They evaluate the optimal dissolved oxygen levels for living organisms.
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Aquatic Ecosystem Exploration
Students visit a local stream, pond, creek, or river and collect macroinvertebrates. They sort macroinvertebrates and identify each species using a dichotomous key. Students decide on trophic levels and construct a possible food web for...
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Aquatic Roots
Young scientist use reference materials to research various local aquatic plants and or animals to find out whether they are natives or exotics. They investigate their impacts on people, other animals and the environment. Students...
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Does the Introduction of Pesticides and Fertilizers Alter an Aquatic Ecosystem?
Students conduct an experiment using a small sample from a local water source. They introduce fertilizers and pesticides, separately, and carefully examine the results in their simulated aquatic ecosystem.
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Eutrophication
Students observe the effects of eutrophication and determine why it is harmful to aquatic ecosystems. They create mason jar ecosystems to observe the growth of algae in pond water. In addition, they observe the effect of introducing...
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Monitoring Aquatic Ecosystems Lesson Plan
Learners perform an experiment to test the quality of the water in a marsh.
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Aquatic Life
Students explore aquatic life. In this science lesson, students visit an aquatic ecosystem and collect animals found there. Students create a food chain for the aquatic ecosystem.
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Ecosystems of the World
Learners are able to list different ecosystems and describe their environment and organisms. They have an understanding about the function and balance of the ecosystems. Students are able to tell what type of ecosystem the St. Mary's...
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Organic Materials in an Aquatic Ecosystem
Pupils evaluate the relationship between oxygen levels and the amount of organic matter in an aquatic ecosystem. They explain the relationship between oxygen levels, bacteria and the breakdown of organic matter using an indicator solution.
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Biomanipulation
Students explore the effects of aquatic trophic relationships on water transparency. They observe and explain the effects of reducing nutrient inputs on agal density on water transparency.
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Personal Ecosystem
Young scholars build an aquatic ecosystem using large glass pickle jars.  In this ecology lesson, students build and ecosystem then observe and collect data on the habitats.  In this long term project young scholars observe a population...
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Water Cycle and Ecosystems
Students explore the water cycle. In this investigative lesson, students examine the water cycle process. They will record their observations and discuss marine and freshwater ecosystems.
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Careers With an Aquatic Emphasis
Students are introduced to careers with an aquatic emphasis. They take a self-evaluation test on what they enjoy in school to determine which career is right for them. They listen to people in the field discuss what their job is like.
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"Using Cichlids To Demonstrate the Effects of Human Activity On Ecosystems"
Students explore the freshwater ecosystem of Africa's Lake Victoria by creating a freshwater aquarium. They investigate factors affecting the aquarium's ecosystem and conduct lab activities.
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Invasive Aquatic Plant Identification
Young scholars observe aquatic plants and animals and identify their systems. In this plants and animals lesson plan, students compare systems of organisms and orally express how plants and animals rely on each other.
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Trophic Relationships, Cycling of Chemicals, Human Impact on Ecosystems and Conservation
Students explore how the energy flow through a system is related to trophic levels. They investigate how organisms affect the cycling of elements and water through the biosphere. Students participate in lab activities to observe ways...
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Exploring Ecosystems
Fourth graders create an ecosystem as a class. They have already produced smaller ones. They use a pond or something similar on school grounds to meet the needs of certain plants and animals of their ecosystem. Specifically created will...
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Populations and Ecosystems
Seventh graders create a model of an ecosystem and label it to show structure and function. They research the food web of an aquatic animal and also trace energy flow from the primary producer up the food chain.
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Interdependence: Discovering What Makes a Balanced Ecosystem
Students demonstrate that plants and animals are interdependent in a balanced ecosystem.
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Point- vs. Non-point Pollution
Students differentiate between point and non-point pollution and determine how the different types of pollution are harmful to aquatic ecosystems. They complete a series of tests on a sample of "polluted" water and a sample of "pure" water.
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Graphing Aquatic Insects
Students identify aquatic insects. In this organism instructional activity, students locate aquatic insects near a local waterway and collect them. Students graph the amount of insects that they collected.
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Bottle Habitat
In groups of four, learners construct aquatic habitats in pop bottles. They create charts and record data from observations over a four week period. Then they graph their data and write explanations for what they observed.
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Water Quality Testing
Student explore factors affecting ecosystems. They test local water samples for pH level. After creating a methodology for data collection, they collect data, compare results, and draw conclusions based upon results.
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