Khan Academy: 2757 producten
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Biology: Boveri-Sutton chromosome theory
Overview of how chromosomes were first proposed as the carriers of Mendel's "heritable factors" (what we now call "genes"). Biology Life is…
VideoGratis11 minuten
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Cosmology and astronomy: Structure of the earth
Structure of the Earth - crust, mantle, core Cosmology and astronomy It's a great, big universe out there. In this section of Khan Academy,…
VideoGratis10 minuten
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Organic chemistry: Halogenation
The halogenation of benzene. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of…
VideoGratis9 minuten
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Cosmology and astronomy: Plate tectonics: Geological features of convergent plate boundaries
Geological features of Convergent Plate Boundaries Cosmology and astronomy It's a great, big universe out there. In this section of Khan Ac…
VideoGratis6 minuten
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Biology: Hydrocarbon overview
Hydrocarbon overview. Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is th…
VideoGratis8 minuten
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Biology: Noncompetitive inhibition
Seeing how a noncompetitive inhibitor can bind whether or not the substrate is bound, and vice versa. Biology Life is beautiful! From atoms…
VideoGratis5 minuten
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Biology: Introduction to amino acids
Amino acids and the central dogma of molecular biology. Amino and carboxyl groups, side chains, and zwitterions. Biology Life is beautiful!…
VideoGratis10 minuten
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Chemistry: Voltage as an intensive property
Demonstrating that voltage is an intensive property by calculating the voltage and change in Gibbs free energy for a half reaction. Chemist…
VideoGratis5 minuten
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Biology: Embryonic stem cells
An overview of early development of a zygote to an embryo. Embryonic and somatic stem cells. Biology Life is beautiful! From atoms to cells…
VideoGratis20 minuten
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Chemistry: Electron configuration for f block element Nd
Explains where f block fits in in the periodic table, and the n-2 rule. Introduces shorthand notation to get e configuration of Nd based on…
VideoGratis6 minuten
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Health and medicine: Maternal changes in pregnancy
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoGratis7 minuten
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Health and medicine: Delusional disorder
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoGratis6 minuten
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Chemistry: Second Law of Thermodynamics
The Second Law of Thermodynamics: there can be no spontaneous transfer of heat from cold to hot. Chemistry Did you know that everything is …
VideoGratis10 minuten
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Cosmology and astronomy: Big bang introduction
Cosmology and astronomy It's a great, big universe out there. In this section of Khan Academy, you'll learn about the brain-bending vastnes…
VideoGratis11 minuten
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Organic chemistry: Naming benzene derivatives
How to name benzene derivatives, with examples. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Bas…
VideoGratis11 minuten