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At this site students will learn that in addition to making elements, supernovae scatter them. They learn that the elements that are made both inside the star as well as the ones created in the intense heat of the supernova explosion are spread out into the interstellar medium. These are the elements that make up stars, planets and everything on Earth including ourselves. Except for hydrogen and some ... Full description.
Grade level: High (9-12)
Resource type: Ref. material
Subject: Chemistry, Physics, Space science
 
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This resource describes special properties of light that can help us to understand objects that are millions and billions of light years away. Students explore some of these properties and how they can use them to understand our universe. They will understand that superheated material created by the supernova explosion gives off X-rays and gamma-rays. They will find the answers to questions such as ... Full description.
Grade level: High (9-12)
Resource type: Ref. material
Subject: Physics, Space science
 
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Even though it is said to be a complex art, spectroscopy can be very useful in helping scientists understand how an object like a black hole, neutron star, or active galaxy is producing light, how fast it is moving, and even what elements it is made of. From spectral lines astronomers can determine not only the element, but the temperature and density of that element in the star. Emission lines can ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Physics, Space science
 
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This activity has students use X-ray line data to identify elements contained in supernova remnants. In groups of 2 or more, they will be given several X-ray spectra from the ASCA X-ray satellite and will be asked to determine what elements are present, using a chart listing elements and the energies of their emission lines. Following a class discussion of their results, they will be given ASTRO-E ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Classroom activity, Guide for instructor
Subject: Physics, Space science
 
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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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This collection of activities and information teaches students about Gamma ray bursts by having them follow exactly the same procedures used by today's astronomers. Students will review some basic physics concepts about light, learn about redshifted spectra and Hubble's Law, and use them to find out how far away, and how powerful, gamma ray bursts truly are. Students will work with a real optical ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity, Guide for instructor, Ref. material
Subject: Physics, Space science
 
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This site contains a booklet about the life cycle of stars. The information covers the birth and ultimate fate of both sun-sized and massive stars. The stellar endpoint of sun-sized stars includes both white and black dwarfs while the endpoint of massive stars includes neutron stars, pulsars, and black holes. This site also contains seven activities which include model building and mathematical calculations. ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Classroom activity, Lab activity, Ref. material
Subject: Mathematics, Physics, Space science
 
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In this activity, students calculate the velocity and acceleration of a coronal mass ejection (CME) based on its position in a series of images from the Large Angle and Spectrometric Coronagraph Experiment (LASCO) instrument on the Solar and Heliospheric Observatory (SOHO) satellite. Using a feature that can be seen in all the images, they will measure its position and time, then calculate the average ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity
Subject: Space science
 
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Here students can click on thumbnail photographs of the planets and get a larger view plus several facts about it. This site also has an interactive quiz about the planets. Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Computer activity, Photograph
Subject: Space science
 
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In this activity students try to infer the position of magnets attached to the bottom of a cardboard box, solely by observing the movement of a steel ball bearing. This is analogous to how scientists must infer the amount and location of dark matter from the motions of galaxies and stars. Full description.
Grade level: High (9-12)
Resource type: Classroom activity
Subject: Physics, Space science
 
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Results 41 - 50 of 136 <<  1 2 3 4 5 6 7 8 9  >>