Find a
Resource
Select grade level(s) Select resource type(s) Select collection(s) Select standard(s) Skip navigation Digital Library for Earth System Education
Digital Library for Earth System Education
Search tips
Results 31 - 40 of 242 <<  1 2 3 4 5 6 7 8  >>
Comment on this resource
This online pamphlet discusses the concept of geologic time. Topics include the relative and radiometric time scales, the use of index fossils in making age determinations, and current thinking on the age of the Earth. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Geologic time, Physics
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
This brief discussion of atmospheric ozone provides information on where this gas occurs, its harmful and beneficial effects, and the causes and possible consequences of the depletion of "good" ozone in the atmosphere. Full description.
Grade level: High (9-12)
Resource type: Ref. material
Subject: Atmospheric science, Chemistry
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
This document provides an explanation of the factors that are thought to drive the growth and retreat of continental glaciers which spread across the Earth during four periods of geologic history. These factors are thought ot be related to variations in Earth's orbit. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Cryology, Geologic time
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
This document discusses possible factors that contributed to the formation of massive continental glaciers during four periods of geologic history. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Cryology, Geologic time, Hydrology, Physical oceanography
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
This press release summarizes the results of research on sediment cores taken from the subtropical Atlantic Ocean. Analyses of organic molecules from planktonic algae in the sediments indicates that large and abrupt temperature changes in warm areas of the ocean occurred at the end of the last glacial period. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Environmental science, Chemical oceanography
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
Visitors to this site can read about sunspots, solar wind, solar flares, and coronal mass ejecions. Topics include how they interact with the Earth's magnetic field, auroras, and possible damaging effects of geomagnetic storms on satellites and ground-based technology. A list of "Would You Believe" factoids is included. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Ref. material
Subject: Physics, Space science
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
The homepage of the Union of Concerned Scientists provides visitors with an overview of the science community's concern with environmental issues, energy policy, scientific integrity, and public health. Materials include news articles, reports, and suggestions for people who wish to become active in promoting these issues. Full description.
Grade level: High (9-12), College (13-14), College (15-16), General public
Resource type: Ref. material
Subject: Environmental science, Policy issues
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
This article describes the effects of a coronal mass ejection that occurred in January 1997, and the damage it caused to commercial and communications satellites. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Physics, Space science
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
This document describes the features and properties of Earth's magnetosphere. Topics include the magnetosphere's shape, descriptions of its features, the Van Allen Belts, particle motions, and magnetic storms. Links to illustrations and tables are embedded on the text. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Physics, Space science
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Comment on this resource
This guide presents introductory information about satellites and remote sensing and their uses in meteorological observations and forecasting. Topics include geostationary and polar orbiting satellites, orbital coverage, architecture, instruments, and the types of data they produce. A tutorial on interpreting satellite images is also included. Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Ref. material
Subject: Atmospheric science, Space science
 
Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
NASA ED Mall Collection    Browse collection
Results 31 - 40 of 242 <<  1 2 3 4 5 6 7 8  >>