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This site describes the Chesapeake Bay watershed, which stretches across six states including New York, Pennsylvania, Maryland, Delaware, Virginia and West Virginia and also the District of Columbia. Also included in the Bay watershed are several subwatersheds, smaller systems that drain into the streams and rivers that flow into the Chesapeake. More than 64,000 square miles of land drain into the ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Ref. material
Subject: Environmental science, Hydrology, Policy issues
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Misconceptions: Read (1)
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This resource has students construct a model watershed in order to understand its operation. Students will observe how water flows from higher elevations to lower elevations, and the interconnectivity of watersheds. They will understand how the placement of buildings, roads, and parking lots can be important to watershed runoff, and how careless use and disposal of harmful contaminants can have a ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lab activity
Subject: Environmental science, Hydrology
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Misconceptions: Read (1)
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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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
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Assessments: Read (1)
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This activity has students observe how ozone can damage rubber bands and through a comparison, they will be able to determine the relative ozone levels for different locations. After completing this activity students will understand that tropospheric ozone is often called bad ozone because it breaks down certain materials, be able to explain that concentrations of ozone are not uniform, and demonstrate ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lab activity
Subject: Atmospheric science, Chemistry, Environmental science
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Skills: Read (1)
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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
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Skills: Read (2)
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This experiment helps students understand that ultraviolet (UV) radiation is present in natural outdoor light and that the intensity of the light varies with season and time of day. After completing this activity, students will be able to demonstrate that UV radiation can be blocked or filtered by various substances. The page contains detailed background material, learning goals, alignment to national ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Lab activity
Subject: Atmospheric science, Environmental science, Physics
 
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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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In this activity students work as a team to determine the effect salt has on plant germination. They then use their lab data to create a report on how the increasing salt concentrations affected the germination of the seeds and at what salt concentration no seeds will germinate. Students will discover that salt buildup is an existing or potential hazard on almost all of the 42 million acres of irrigated ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Lab activity
Subject: Agricultural science, Soil science
 
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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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In this activity students use a map of the Mississippi Watershed to label and count rivers and the states associated with them in a particular watershed. Students "build" the watershed in a pan using modeling clay or soil. They use small objects to represent things such as pollutants, litter, fertilizers, sediments, etc., that could be transported by water flowing in the drainage system. Students ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Classroom activity
Subject: Environmental science, Physical geography, Hydrology, Natural hazards
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Misconceptions: Read (1)
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