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This site explains why three percent is a fundamental limit of X-ray detectors that use the conventional method of conversion to electric charges, and if a higher spectral resolution is required astronomers have to choose a detector that relies on a completely different principle, such as a microcalorimeter. As a result of its different approach, the microcalorimeter provides ten times better spectral ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Illustration - scientific, Ref. material
Subject: Physics, Space science
 
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In this activity students experiment with the relationship between pressure, force, and area by calculating the force and pressure exerted by a LC-130 aircraft on the ice runway in McMurdo Dry Valleys, Antarctica. The LC-130 is a four-engine turboprop transport aircraft used by the United States Antarctic Program for cargo and personnel transport between New Zealand and McMurdo Station and between ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity
Subject: Physics
 
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This explanation describes the observatories we are currently using to study X-rays from space. Chandra, named for Nobel prize winner Subrahmanyan Chandrasekhar, was launched from the space shuttle in 1999. Current X-ray observatories include The Rossi X-ray Timing Explorer (RXTE), named after astronomer Bruno Rossi, and The Advanced Satellite for Cosmology and Astrophysics (ASCA). The site also discusses ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Space science, Technology
 
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This atlas provides over 400 full colour photomicrographs of the major ore-forming mineral associations and opaque minerals in non-mineralized rocks. It describes typical examples of each mineral from many classical localities throughout the world. For each association there is a listing of the major (and important minor) primary ore minerals, alteration products and gangue, typical textures, a brief ... Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Photograph, Ref. material
Subject: Mineralogy or petrology
 
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This essay describes the effort being made to predict the North Atlantic Oscillation (NAO) and detect any relationship between it and global warming. Students will discover how computer models are being made of the oscillation and the progress that is taking place. They will also learn about the ramifications of making reliable predictions. The site has links to three other essays on the subject as ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Video, Ref. material
Subject: Atmospheric science, Climatology, Technology
 
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This activity will help students understand the complexity of ocean exploration. They will understand the technological applications and capabilities required for ocean exploration and the importance of teamwork in scientific research projects. Students will also develop abilities necessary to do scientific inquiry as they work together to fashion research equipment from common materials. In addition ... Full description.
Grade level: High (9-12)
Resource type: Lab activity
Subject: Biological oceanography, Physical oceanography, Technology
 
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This site offers descriptions for each of the major map projections now in use. The author treats each type of projection in detail and each explanation has a scientific illustration depicting a visual conception of the projection. Cylindrical projections discussed include cylindrical equal area (Behrmann, Gall's stereographic, and Peters), Mercator, Miller cylindrical, and oblique and transverse ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Illustration - scientific, Map, Ref. material
Subject: Physical geography
 
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National Science Education Standards (NSES), National Geography Standards: Read
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In this activity, students will learn about the bathymetry of Hudson Canyon, a submarine canyon on the Atlantic coast of North America. As they study Hudson Canyon, they will compare and contrast topographic maps and bathymetric maps, investigate the various ways in which bathymetric maps are made, and learn how to interpret bathymetric maps. Full description.
Grade level: High (9-12)
Resource type: Classroom activity, Lesson plan
Subject: Physical geography, Physical oceanography
 
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In this activity, students will investigate the occurrence of gas hydrates on the ocean floor. They will discover the importance of carbon, where carbon is stored on Earth, and that the largest reservoir of carbon is gas hydrates. Students will discover that Earth's climate changes, and how the greenhouse effect works. They will also learn about the potential of hydrates as a major new energy resource ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity, Lesson plan
Subject: Climatology, Chemical oceanography, Physical oceanography
 
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While on an internship in Washington State, a young naturalist from New York collected over 36 pounds of rocks. This site explains what he learned about their oxidation potential compared to similar rocks in New York. The narrative essay discusses how the research study was started while on an internship at the Marine Science Center in Washington State. It describes the regional metamorphism that ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Photograph, Report
Subject: Geology, Mineralogy or petrology
 
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National Science Education Standards (NSES): Read
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Results 31 - 40 of 143 <<  1 2 3 4 5 6 7 8  >>