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This site describes the planetary swing-by or slingshot effect of boosting the energy of a space vehicle using a close encounter with a planet or other body. The author uses an analogy of a ping-pong ball and paddle to simplify the math involved and goes on to cite several examples of the planetary swing-by, including the Voyager and Pioneer missions. He then explains how these gravity assist maneuvers ... Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Illustration - scientific, Ref. material
Subject: Physics, Space science
 
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This activity has students use simple sine waves to explore constructive and destructive interference in seismic waves. After plotting the summative points of two sine waves, students connect the points to create the resulting complex wave. Once they have successfully drawn their complex wave, they will answer the questions listed on the student handout. Provided are: a list of materials, procedure, ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity
Subject: Geophysics, Mathematics
 
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This lesson develops the idea that carbon dating is based on gathering evidence in the present and extrapolating it to the past. Students will use a simple graph to extrapolate data to its starting point. This lesson is the third in a three-part series about the nucleus, isotopes, and radioactive decay. Students will be asked to consider the case of when Frosty the Snowman met his demise (began to ... Full description.
Grade level: High (9-12)
Resource type: Lesson plan
Subject: Geologic time
 
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This demonstration is intended to help students better understand the electromagnetic spectrum. At the end of this activity students will be able to explain that energy travels from the sun to the earth by means of electromagnetic waves, and that the shorter the wavelength, the higher the energy per photon. They will understand why shorter wavelengths of electromagnetic energy carry more energy than ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Guide for instructor, Presentation / Demo
Subject: Atmospheric science, Physics
 
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This activity demonstrates the presence of ultraviolet (UV) waves. Because the energy from the sun includes not only visible light but also wavelengths longer (infrared) and shorter (ultraviolet) than visible light, it is not always easy to study. Ultra means beyond, so ultraviolet means beyond (actually, shorter than) violet and this demonstration offers a means by which they can be detected. The ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lab activity, Guide for instructor
Subject: Atmospheric science, Physics
 
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These resources on rock deformation are designed to help educators meet the new national science standards. The Rock Deformation Gallery displays illustrations from the Hall of Planet Earth, which has two informative overviews: Deformed Rocks; and Deforming Rocks in the Laboratory: Deformed Marble Cylinders. Also available is Deformed Conglomerate in the Hall of Planet Earth, which has three annotated ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Illustration - scientific, Photograph
Subject: Mineralogy or petrology
 
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In this activity students will work with ice in order to gain a practical application of math concepts. It will evolve into an inquiry-based study to determine if the dimensions of the ice will make a difference in the way the ice floats in the water. The inquiry lesson may lead to further inquiry-based investigations for extended learning in the classroom or home. Full description.
Grade level: High (9-12)
Resource type: Classroom activity
Subject: Cryology, Mathematics
 
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This activity introduces students to the properties of electromagnetic radiation in a variety of ways. For example, they put the different types of the electromagnetic radiation on trial, selecting the judge, prosecutor, defense counsel, and jury, and learning about electromagnetic energy by arguing the pros and cons of each wavelength. During this activity, students are introduced to the general ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Classroom activity, Guide for instructor
Subject: Environmental science, History and philosophy of science, Physics
 
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This site describes the corona of the sun from three different points of view. In the first case, the white-light corona is the sight that is visible during total eclipses of the sun as a pearly white crown surrounding the sun and displays a variety of features including streamers, plumes, and loops. The emission line corona is explained on the basis of the extreme heat of the corona and the X-ray ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Imagery - remotely sensed, Ref. material
Subject: Physics, Space science
 
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This site describes the nature of the solar winds and the relationships between its speed and solar features. The effect of the variations in the speed of the solar wind on the magnetosphere of the Earth is also discussed, along with the research results of the Ulysses spacecraft and the Advanced Composition Explorer (ACE) satellite. The site also provides links to solar wind conditions for the last ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Imagery - remotely sensed, Ref. material
Subject: Physics, Space science
 
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Results 41 - 50 of 174 <<  1 2 3 4 5 6 7 8 9  >>