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Curated Video
Understanding Fractions: Identifying Numerators and Denominators
In this video lesson, students learn how to identify the parts of a whole to find a fraction. The teacher explains the concept of numerator and denominator, and demonstrates how to count and draw pictures to determine the fraction.
Curated Video
Understanding Fractions: Equal Parts
This video lesson explains the concept of fractions by using visual models. It emphasizes that fractions represent equal parts of a whole, whether it's a shape, a set, or a number line. The video also highlights the importance of having...
Flipping Physics
Kepler's Second Law Derivation
Kepler’s second law is derived and demonstrated. This is an AP Physics C: Mechanics topic.
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Conte
nt Times:
0:00 Keple
r’s Second Law
0:18 Angular Mo
mentum Conservation
1:27
Planet Angular Momentum
2:21...
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br/>
Conte
nt Times:
0:00 Keple
r’s Second Law
0:18 Angular Mo
mentum Conservation
1:27
Planet Angular Momentum
2:21...
Curated Video
Breaking Shapes into Equal Parts
Partition shapes into equal areas and express each part as a unit fraction.
University of Oregon
Electronic Universe: Kepler's Laws of Planetary Motion
From the The Electronic Universe Project web site. This page states and explains Kepler's three laws of planetary motion. Includes some downloadable movie clips and associated sound files. Discusses Ptolemy's attempt to explain...