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This site describes snow crystals and snowflakes. Although a common meteorological phenomenon, snow crystal growth is a fascinating and poorly understood process, in which remarkably complex and beautifully symmetric structures appear, quite literally, out of thin air. The many facets of snow crystals are described here, along with the attempts to understand their formation. Site highlights include ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12), College (13-14), College (15-16), Graduate / Professional, General public
Resource type: Field activity, Illustration - scientific, Photograph, Video, Ref. material
Subject: Atmospheric science, Cryology, Physics
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Comments and Teaching Tips
Read (3)
Related resources and collections
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
Community Annotated Collection     Browse collection
Digital Water Ed Library (DWEL)     Browse collection
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This on-line expedition focuses on the flow of ocean water along with its climatic impact and environmental consequences. Learning objectives include an awareness that ocean waters are constantly on the move, that ocean currents influence climate and living conditions for plants and animals, even on land, and that currents flow in complex patterns affected by wind, the water's salinity and heat content, ... Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Computer activity, Module / Unit, Illustration - scientific, Map
Subject: Physical oceanography
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
Digital Water Ed Library (DWEL)     Browse collection
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In this lesson plan students will learn the basics about how tornadoes are formed, and where and when they are most likely to occur. They will then study the current research on tornadoes and explore how scientists are trying to predict them. They will learn about the equipment storm chasers use to study tornadoes and will develop their own research plans. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Classroom activity, Computer activity, Lesson plan, Map, Periodical, Report
Subject: Atmospheric science, Climatology, Natural hazards, Technology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
Related resources and collections
This resource is part of :
 
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
Digital Water Ed Library (DWEL)     Browse collection
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The New Millennium Observatory (NeMO) is a seafloor observatory off the coast of Oregon, which studies the relationships between submarine volcanic events and the chemistry and distribution of hydrothermal vents and the biologic communities that depend on them. The research activities at NeMO provide an extraordinary educational opportunity, both from the daily reports from expeditions at sea and ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), Graduate / Professional
Resource type: Field trip - virtual, Module / Unit, Map, Photograph, Video, Visualization - scientific, Glossary, Ref. material, In-situ dataset
Subject: Ecology, Environmental science, Geochemistry, Geology, Biological oceanography, Chemical oceanography, Physical oceanography, Technology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Comments and Teaching Tips
Read (1)
Related resources and collections
This resource is referenced by :
 
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
Community Annotated Collection     Browse collection
BRIDGE Ocean Resources     Browse collection
BRIDGE NOAA Resources     Browse collection
Digital Water Ed Library (DWEL)     Browse collection
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This project aims to reconcile the international stratigraphic standards with many of the regional and archaic naming schemes that appear in the literature. In the process, the most recent International Commission on Stratigraphy (ICS) time scale has been combined with information on the estimated placement and length of other stages in order to put approximate dates on all of the stratigraphic intervals ... Full description.
Grade level: High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Ref. material, Modeled dataset
Subject: Geologic time
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This applet provides practice in contour drawing using real-time data plots. There are six colors for drawing isolines and a button for erasing the last line. There is also a link to other contour analysis exercises. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Computer activity
Subject: Atmospheric science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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In this lesson, each student team has an envelope containing a series of bank checks. A few are removed at a time, and the team attempts to construct a plausible scenario which involves those checks. With each subsequent removal of checks, appropriate revision of the scenario is done. Final scenarios are compared by the class. Class discussion is designed to show how human values and biases influence ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: History and philosophy of science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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In this lesson students working in teams classify furniture, share their categories and rationales, then note how their different schemes vary arbitrarily. They then see how living organisms are classified, and note how these groupings are natural, nearly always reflecting the same ancestral relationships in nested hierarchies, regardless of the deeper criteria. Such patterns are revealed with a look ... Full description.
Grade level: High (9-12)
Resource type: Lesson plan
Subject: Biology
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Misconceptions: Read (2)
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
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This introduction to the labeling of points on a plane by their Cartesian coordinates can optionally be extended to coordinates in 3-dimensional space, to plane polar coordinates and to 3-dimensional polar coordinates. Students should learn to use Cartesian coordinates (x,y) for defining the position of a point in two dimensions and to use Cartesian coordinates (x,y,z) in 3-dimensional space and learn ... Full description.
Grade level: High (9-12)
Resource type: Lesson plan
Subject: Mathematics, Space science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This lesson will clarify the development of the geologic time scale. It will also introduce students to the major time periods in the history of Earth, as well as to the role fossils play in helping us understand this history. This lesson is based on an online booklet that provides an introduction to the study of the history of Earth, published by the U.S. Geological Survey. Using careful analogies ... Full description.
Grade level: High (9-12)
Resource type: Lesson plan
Subject: Geologic time, Paleontology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is referenced by :
 
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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