Items Tagged as "earth science"

Piles of Coal Drop

Summary:
In this Building Block video, a train drives over a bridge and dumps coal to the ground below, causing a haze of dust and blocking out the azure sky beyond.

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.

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.

Oil Rig Pumping

Summary:
A grasshopper oil rig pumps oil as a white SUV pulls up next to it in this Building Block video.

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.

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.

Oil Refineries

Summary:
This Building Block video features an aerial shot of multiple oil storage tanks and active smokestacks at oil refineries.

Global Warming: Carbon Dioxide and the Greenhouse Effect

Summary:
This video segment adapted from NOVA/FRONTLINE demonstrates carbon dioxide's role in the greenhouse effect and explains how increasing concentrations of this gas in the atmosphere may be contributing to global warming.

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.

Nisqually Glacier at Mount Rainier

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:
Observe the Nisqually Glacier at Mount Rainier in this video segment from NatureScene.


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