Heat and temperature (article) | Khan Academy
What heat means in thermodynamics, and how we can calculate heat using the heat capacity.
Energy - Khan Academy
Review your understanding of changes in energy in this free article aligned to NGSS standards.
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Learn about thermal conduction, convection, and radiation in this Khan Academy video.
Specific heat, heat of vaporization, and density of water (article ...
Hydrogen bonds in water. Capillary action and why we see a meniscus. Surface tension. Cohesion and adhesion of water. Water as a solvent. Specific heat, heat of vaporization, and density of water. Importance of water for life. Lesson summary: Water and life. Structure of water and hydrogen bonding.
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Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more. It’s all free for learners and teachers.
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We'll trace how light energy is absorbed by pigment molecules, how reaction center pigments pass excited electrons to an electron transport chain, and how the energetically "downhill" flow of electrons leads to synthesis of ATP and NADPH. These molecules store energy for use in the next stage of photosynthesis: the Calvin cycle.
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Unit 1: Thermodynamics - Khan Academy
RMS speed and average kinetic energy of gas molecules Get 3 of 4 questions to level up!
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