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Cosmology and Astronomy: Hawaiian Islands Formation
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CC BY-NC-SA
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This 8-minute video lesson looks at how the Hawaiian Islands were formed by a stationary hot spot under the Pacific plate. [Cosmology and Astronomy playlist: Lesson 49 of 85]

Subject:
Earth Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: How we know about the Earth's core
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CC BY-NC-SA
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This 6-minute video lesson explains how we know about the Earth's core. It shows how S-wave shadow and P-wave detection patterns give us information about the core. [Cosmology and Astronomy playlist: Lesson 55 of 85]

Subject:
Earth Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: Human Evolution Overview
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CC BY-NC-SA
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This 12-minute video lesson provides an overview of evolution from from the extinction of the dinosaurs to humanity. [Cosmology and Astronomy playlist: Lesson 64 of 85]

Subject:
History
Social Studies
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: Introduction to Light
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CC BY-NC-SA
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This 10-minute video lesson provides a basic introduction to light and electromagnetic radiation. [Cosmology and Astronomy playlist: Lesson 68 of 85]

Subject:
Physical Science
Physics
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: K-Ar Dating Calculationهرجن
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CC BY-NC-SA
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This 11-minute video lesson works through a calculation for K-Ar dating (it is good to have some prior experience with e and logarithms to understand). [Cosmology and Astronomy playlist: Lesson 80 of 85]

Subject:
Chemistry
Physical Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: Land Productivity Limiting Human Population
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CC BY-NC-SA
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This 13-minute video lesson ponders how we get calories from the land and the limits of human population density. [Cosmology and Astronomy playlist: Lesson 83 of 85]

Subject:
History
Social Studies
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: Lifecycle of Massive Stars
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CC BY-NC-SA
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This 7-minute video lesson looks at the lifecycle of massive stars (stars with masses greater than 9 times the sun). [Cosmology and Astronomy playlist: Lesson 27 of 85]

Subject:
Physical Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: Milankovitch Cycles   Precession and Obliquity
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CC BY-NC-SA
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This 13-minute video lesson looks at how changes in Earth's rotation can effect Earth's seasons and climate. It discusses Milankovitch Cycles, Precession, and Obliquity. [Cosmology and Astronomy playlist: Lesson 71 of 85]

Subject:
Physical Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Cosmology and Astronomy: Parallax in Observing Stars
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CC BY-NC-SA
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This 7-minute video lesson explains what parallax is and how it is used to determine distances between stars. [Cosmology and Astronomy playlist: Lesson 21 of 85]

Subject:
Physical Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: Plate Tectonics: Difference Between Crust and Lithosphere
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CC BY-NC-SA
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This 8-minute video lesson looks at plate tectonics and the difference between crust and lithosphere. [Cosmology and Astronomy playlist: Lesson 43 of 85]

Subject:
Earth Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: Plate Tectonics: Evidence of Plate Movement
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CC BY-NC-SA
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This 13-minute video lesson looks at plate tectonics and the evidence of plate movement. [Cosmology and Astronomy playlist: Lesson 45 of 85]

Subject:
Earth Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Cosmology and Astronomy: Plate Tectonics: Geological features of Convergent Plate Boundaries
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CC BY-NC-SA
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This 6-minute video lesson continues to explore plate tectonics. It covers the geological features of convergent plate boundaries. [Cosmology and Astronomy playlist: Lesson 47 of 85]

Subject:
Earth Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Cosmology and Astronomy: Plates Moving Due to Convection in Mantle
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CC BY-NC-SA
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This 6-minute video lesson coninues to look at plate tectonics. It discusses plates moving due to convection in mantle. [Cosmology and Astronomy playlist: Lesson 48 of 85]

Subject:
Earth Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011
Cosmology and Astronomy: Potassium-Argon (K-Ar) Dating
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CC BY-NC-SA
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This 11-minute video lesson looks at Potassium-Argon (K-Ar) dating and it can be used to date very old volcanic rock and the things that might be buried in between. [Cosmology and Astronomy playlist: Lesson 79 of 85]

Subject:
Chemistry
Physical Science
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Cosmology and Astronomy: Precession Causing Perihelion to Happen Later
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CC BY-NC-SA
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This 12-minute video lesson clarifies the effect of axial precession on the calendar and the date of perihelion and aphelion. [Cosmology and Astronomy playlist: Lesson 73 of 85]

Subject:
Physical Science
Physics
Science
Material Type:
Activity/Lab
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Khan, Salman
Date Added:
02/20/2011