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Sophia Learning
Sophia: Practice Converting Units
Watch this video to help with practice converting various units of measure. [8:06]
Incorporated Research Institutions for Seismology
Iris: 10 Different Earthquakes of Equal Magnitude Recorded by One Station
This animation uses a gridded sphere is to show that: 1) the seismic stations don't need to be lined up longitudinally to create travel-time curves, as they appear in the first animation, and 2) a single station records widely separated...
Incorporated Research Institutions for Seismology
Iris: 5 Different Earthquakes Equidistant From One Seismograph Station
This animation uses a gridded sphere is to show a single station recording five equidistant earthquakes. [0:44]
Incorporated Research Institutions for Seismology
Iris: Magnitude: Changing an Earthquake's Magnitude (Downgrade/upgrade)
In this animation take a look at two magnitude scales, and use two examples of magnitude changing. [6:54]
Sophia Learning
Sophia: Measuring Angles With a Protractor: Lesson 3
How to measure an angle using a protractor is demonstrated in this lesson. It is 3 of 7 in the series titled "Measuring Angles with a Protractor."
Sophia Learning
Sophia: Measuring Angles With a Protractor: Lesson 5
How to measure an angle using a protractor is demonstrated in this lesson. It is 5 of 7 in the series titled "Measuring Angles with a Protractor."
Sophia Learning
Sophia: Measuring Angles With a Protractor: Lesson 7
How to measure an angle using a protractor is demonstrated in this lesson. It is 7 of 7 in the series titled "Measuring Angles with a Protractor."
Sophia Learning
Sophia: Measuring Angles With a Protractor: Lesson 1
How to measure an angle using a protractor is demonstrated in this lesson. It is 1 of 7 in the series titled "Measuring Angles with a Protractor."