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This activity will help students understand algal blooms. They will devise their own experiments to test the effects of nutrients on algal growth, or younger students may follow the steps outlined in a sample activity which is provided. Students will be reminded that they need to have controls and replicates in their experiments. As a result of this activity, students will come to understand the requirements ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Lab activity, Glossary
Subject: Environmental science, Biological oceanography
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Skills: Read (1)
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This resource is included in the following collections:
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In this activity students will work in teams to investigate the impact of an invasive species on native species, using the six classic steps for solving environmental problems. Teams will research a local invasive species problem, complete an experimental design plan, write clear procedures for experimentation, state expected results and conclusions, and work together to determine the course of action ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity
Subject: Environmental science
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Assessments: Read (1)
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This resource is included in the following collections:
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While engaged in this activity students will explore phytoplankton, the food of tiny marine animals, particularly krill. Students will prepare a hay infusion in two identical glass aquarium tanks or a 1-liter glass jar and expose one to 24 hours of continuous light, and the other for only four hours during the school day, with all light blocked off by opaque material during the remaining hours. They ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Lab activity
Subject: Biological oceanography
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Assessments: Read (1)
Related resources and collections
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
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In this laboratory exercise, students will design and conduct an experiment to evaluate the effect of the presence of biodegradable materials on dissolved oxygen levels. They will come to understand the effect of biodegradable pollutants on water quality, design and conduct an experiment, interpret data, suggest additional studies, and preform serial dilutions. The students will discover that in aquatic ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lab activity
Subject: Environmental science
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Skills: Read (2)
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In this lesson, students are given a variety of materials and are asked to design a heat loss experiment that will result in a reasonable explanation of why whales do not have legs. Students will learn that natural selection favors a body design that is energy efficient. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: Biology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Assessments: Read (1)
Misconceptions: Read (2)
Related resources and collections
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
Results 1 - 5 of 5