CK-12 Foundation’s Followers (8)

CK-12 Foundation

Website

http://www.ck12.org

Genre

Science

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CK-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. Using an open-content, web-based collaborative model termed the "FlexBook," CK-12 intends to pioneer the generation and distribution of high quality educational content that will serve both as core text as well as provide an adaptive environment for learning through the FlexBook Platform™. ...more

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CK-12 Foundation’s books

Average rating: 3.69 · 2,893 ratings · 43 reviews · 64 distinct works

	CK-12 Basic Physics 3.85 avg rating — 185 ratings — published 2012 — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	CK-12 Chemistry 3.41 avg rating — 207 ratings — published 2010 — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	CK-12 Trigonometry 3.68 avg rating — 141 ratings — published 2010	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	CK-12 Advanced Probability and Statistics 3.30 avg rating — 128 ratings — published 2010	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	CK-12 Calculus 3.41 avg rating — 114 ratings — published 2010	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	CK-12 Geometry 3.66 avg rating — 105 ratings — published 2010	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	CK-12 Algebra 1, Volume 1 of 2 3.54 avg rating — 105 ratings — published 2012	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Human Biology - Digestion and Nutrition 3.57 avg rating — 100 ratings — published 2012	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	CK-12 Basic Geometry Volume 1 Of 2 3.97 avg rating — 90 ratings — published 2012 — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	CK-12 Biology 3.90 avg rating — 90 ratings — published 2012	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

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Quotes by CK-12 Foundation (?)

“kilometers, if”
― CK-12 Foundation, Physics - from Stargazers to Starships

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“The DopplerEffect occurs when either the source of a wave or the observer of a wave (or both) are moving. When a source of a wave is moving towards you, the apparent frequency of the wave you detect is higher than that emitted. For instance, if a car approaches you while playing a note at 500 Hz, the sound you hear will be slightly higher. The opposite occurs (the frequency observed is lower than emitted) for a receding wave or if the observer moves away from the source. It’s important to note that the speed of the wave does not change –it’s traveling through the same medium so the speed is the same. Due to the relative motion between the source and the observer the frequency changes, but not the speed of the wave. Note that while the effect is similar for light and electromagnetic waves the formulas are not exactly the same as for sound.”
― CK-12 Foundation, CK-12 Basic Physics

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“http://tinyurl.com/294stkw Explore the result of changing the population parameter,”
― CK-12 Foundation, CK-12 Advanced Probability and Statistics, Volume 1

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CK-12 Foundation’s Followers (8)

CK-12 Foundation

Combine EditionsCK-12 Foundation’s books

Combine Editions
CK-12 Foundation’s books