5
Feb
2015

1 Minute 12 Terms Models of Earth

This quick podcast was created with one of my students Selena who quickly summarizes the following terms out of Chapter 8.3 in the 2015 Pearson 8th Grade Interactive Science book: globe, map, map projection symbol, key, scale, degree, equator, hemisphere, prime meridian, latitude and longitude.

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18
Sep
2014

The Atomic Theory Ch. 2, Lesson 1

In this podcast I squeeze the atomic theory down to just some of the most notable details as we review this topic from the Person 8th Grade Interactive Science 2014 textbook. The key individuals I discuss are: Democritus (430 B.C.), John Dalton (early 1800's), J.J. Thomson (1897), Earnest Rutherford (1911), Neils Bohr (1913) and Erwin Schrödinger (1926).

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www.theexpandedclassroom.com

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10
Sep
2014

Models & Systems: Terms and Main Ideas

In science we use models to understand the natural world as well as objects in space. Chapter 1 section 4 of the Interactive 8th Grade Science textbook discusses this and in this podcast I will be reviewing the following terms: model, system, input, process, output and feedback.

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