Items Tagged as "human impact"

Recycling and Restoration

Summary:
This video explains how Bernheim Arboretum and Research Forest near Louisville, Kentucky used recycled cypress from pickle vats to build its visitor center and then “paid back” nature by creating a cypress-tupelo swamp.

Documenting Glacial Change

Summary:
This collection of comparative glacier images adapted from the National Snow and Ice Data Center shows substantial changes in five Alaskan glacier positions over periods of 60 to 100 years.

Results of Mine Drainage Remediation

Subjects: Ecology, Earth Sciences, Science
Language: English
Grade Level: Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14, Gr. 9 | Age 15, Gr. 10 | Age 16, Gr. 11 | Age 17, Gr. 12 | Age 18
Posted: Jun. 27, 2011   Posted by: Teachers Domain
Summary:
In this video, a biologist visits Lower Rock Creek in Pulaski County, Kentucky to show how acid mine drainage remediation has increased the stream’s pH from acidic levels almost to 7, which is neutral. Many fish species such as minnows, trout, and bass have returned to Rock Creek.

Arctic Sea Ice Satellite Observations

Subjects: Earth Sciences, Science
Language: English
Grade Level: Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14, Gr. 9 | Age 15, Gr. 10 | Age 16, Gr. 11 | Age 17, Gr. 12 | Age 18
Posted: Jun. 27, 2011   Posted by: Teachers Domain
Summary:
In this interactive activity produced for Teachers' Domain, learn how Arctic sea ice has changed over the past 25 years in terms of maximum winter extent, concentration, and the timing of breakup each spring.

Restoring Lower Rock Creek

Subjects: Ecology, Earth Sciences, Science
Language: English
Grade Level: Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14, Gr. 9 | Age 15, Gr. 10 | Age 16, Gr. 11 | Age 17, Gr. 12 | Age 18
Posted: Jun. 27, 2011   Posted by: Teachers Domain
Summary:
This brief video describes how Lower Rock Creek’s location between two National Wild and Scenic Rivers caused Kentucky environmentalists to choose the creek as a target for acid mine drainage remediation.

Acid Lake

Subjects: Earth Sciences, Science
Language: English
Grade Level: Gr. 3 | Age 9, Gr. 4 | Age 10, Gr. 5 | Age 11, Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14
Posted: Jun. 27, 2011   Posted by: Teachers Domain
Summary:
Add acidity to a healthy lake and see what happens to the plants and animals in this interactive activity adapted from EcoKids.

Environmental Impact of Acid Mine Drainage

Subjects: Ecology, Earth Sciences, Science
Language: English
Grade Level: Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14, Gr. 9 | Age 15, Gr. 10 | Age 16, Gr. 11 | Age 17, Gr. 12 | Age 18
Posted: Jun. 27, 2011   Posted by: Teachers Domain
Summary:
This video shows how acid mine drainage from an abandoned coal mine has affected Wildcat Branch in Kentucky's Daniel Boone National Forest. Macroinvertebrates and the larger animals that feed on them are almost entirely absent, and reproductive cycles have been completely disrupted.

Acid Mine Drainage Remediation

Subjects: Ecology, Earth Sciences, Science
Language: English
Grade Level: Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14, Gr. 9 | Age 15, Gr. 10 | Age 16, Gr. 11 | Age 17, Gr. 12 | Age 18
Posted: Jun. 27, 2011   Posted by: Teachers Domain
Summary:
In this video, an environmental technologist visits an abandoned coal mine in Kentucky to talk about how a remediation system (a series of settling ponds and treatment cells) is neutralizing the acid drainage from the mine and preventing damage to a creek downstream.

Acid Mine Drainage and Precipitates

Subjects: Ecology, Earth Sciences, Science
Language: English
Grade Level: Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14, Gr. 9 | Age 15, Gr. 10 | Age 16, Gr. 11 | Age 17, Gr. 12 | Age 18
Posted: Jun. 27, 2011   Posted by: Teachers Domain
Summary:
In this video, environmental scientists measure the pH of water to detect acid mine drainage.

Earth's Cryosphere: The Arctic

Subjects: Earth Sciences, Science
Language: English
Grade Level: Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14, Gr. 9 | Age 15, Gr. 10 | Age 16, Gr. 11 | Age 17, Gr. 12 | Age 18
Posted: Jun. 27, 2011   Posted by: Teachers Domain
Summary:
This video segment adapted from NASA investigates the cryosphere's role in North America, the extent of permafrost in the northern hemisphere, and how the polar regions play a role in regulating global climate.


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