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 | Antiparallel structure of DNA strands | Biology | Khan Academy | 9:57 | 7,884 | |
 | Molecular structure of DNA | Macromolecules | Biology | Khan Academy | 13:10 | 13,593 | |
 | Lipid overview | Macromolecules | Biology | Khan Academy | 11:31 | 17,843 | |
 | Saturated fats, unsaturated fats, and trans fats | Biology | Khan Academy | 8:57 | 14,368 | |
 | Molecular structure of triglycerides (fats) | Biology | Khan Academy | 11:40 | 14,347 | |
 | Molecular structure of fructose | Macromolecules | Biology | Khan Academy | 9:39 | 9,792 | |
 | Hydrolysis | Macromolecules | Biology | Khan Academy | 8:29 | 11,997 | |
 | Dehydration synthesis or a condensation reaction | Biology | Khan Academy | 10:30 | 19,527 | |
 | Molecular structure of glucose | Macromolecules | Biology | Khan Academy | 9:19 | 25,803 | |
 | Molecular structure of glucose | 9:20 | 1,742 | |
 | Functional groups | Properties of carbon | Biology | Khan Academy | 10:11 | 10,386 | |
 | Functional groups | 10:18 | 3,223 | |
 | Silicon-based life | Properties of carbon | Biology | Khan Academy | 6:33 | 10,627 | |
 | Hydrocarbon overview | Properties of carbon | Biology | Khan Academy | 7:34 | 9,467 | |
 | Isomers | Properties of carbon | Biology | Khan Academy | 6:49 | 13,472 | |
 | Silicon based life | 5:59 | 7,059 | |
 | Carbon as a building block of life | Properties of carbon | Biology | Khan Academy | 9:20 | 16,896 | |
 | Definition of pH | Water, acids, and bases | Biology | Khan Academy | 11:38 | 33,715 | |
 | Introduction to buffers | Water, acids, and bases | Biology | Khan Academy | 6:20 | 32,483 | |
 | Arrhenius definition of acids and bases | Biology | Khan Academy | 7:50 | 38,377 | |
 | Bronsted-Lowry definition of acids and bases | Biology | Khan Academy | 8:57 | 36,228 | |
 | Autoionization of water | Water, acids, and bases | Biology | Khan Academy | 10:55 | 29,559 | |
 | Capillary action and why we see a meniscus | Chemistry | Khan Academy | 8:26 | 18,952 | |
 | Surface tension | States of matter and intermolecular forces | Chemistry | Khan Academy | 4:31 | 18,335 | |
 | Heat of vaporization of water and ethanol | Biology | Khan Academy | 7:16 | 9,379 | |
 | Evaporative cooling | Water, acids, and bases | Biology | Khan Academy | 5:14 | 8,925 | |
 | Specific heat of water | Water, acids, and bases | Biology | Khan Academy | 10:50 | 13,227 | |
 | Water as a solvent | Water, acids, and bases | Biology | Khan Academy | 9:12 | 20,211 | |
 | Liquid water denser than solid water (ice) | Biology | Khan Academy | 5:43 | 9,003 | |
 | Hydrogen bonding in water | Water, acids, and bases | Biology | Khan Academy | 6:47 | 38,881 | |
 | Overview of the Bolshevik Revolution | 10:70 | 9,358 | |
 | Chemical reactions introduction | Chemistry of life | Biology | Khan Academy | 9:13 | 69,893 | |
 | Dividing decimals completely | Arithmetic operations | 5th grade | Khan Academy | 6:44 | 29,201 | |
 | Long division with decimals | Arithmetic operations | 5th grade | Khan Academy | 4:10 | 20,171 | |
 | What is the range of a function? | Functions | Algebra I | Khan Academy | 6:39 | 26,513 | |
 | Interpreting graphs of proportional relationships (examples) | 7th grade | Khan Academy | 7:32 | 15,417 | |
 | Francisco Franco and the Spanish Civil War | 9:54 | 6,197 | |
 | How to determine the domain of a modeling function | Functions | Algebra I | Khan Academy | 5:34 | 10,120 | |
 | Equations of proportional relationships | 7th grade | Khan Academy | 5:10 | 24,533 | |
 | Proportion word problem (example 2) | 7th grade | Khan Academy | 4:58 | 17,796 | |
 | Intervals and interval notation | Functions | Algebra I | Khan Academy | 9:36 | 58,736 | |
 | How to visually identify proportional relationships using graphs | 7th grade | Khan Academy | 7:19 | 20,978 | |
 | Introduction to proportional relationships | 7th grade | Khan Academy | 3:50 | 38,069 | |
 | Determining rates with fractions | 7th grade | Khan Academy | 5:70 | 39,501 | |
 | Introduction to average rate of change | Functions | Algebra I | Khan Academy | 9:56 | 28,589 | |
 | How to estimate the average rate of change of a modeling function from a graph | Khan Academy | 6:58 | 6,704 | |
 | How to represent the average rate of change of a modeling function as an expression | Khan Academy | 4:33 | 6,172 | |
 | Content changes to the new SAT | Tips & Planning | New SAT | Khan Academy | 7:14 | 22,272 | |
 | Format changes to the new SAT | Tips & Planning | New SAT | Khan Academy | 8:40 | 101,462 | |
 | Linear equation word problems — Basic example | Math | New SAT | Khan Academy | 2:55 | 18,120 | |
 | How to find the average rate of change of a modeling function from a table | Khan Academy | 3:40 | 8,116 | |
 | How to match the features of a modeling function to their real-world meaning | Khan Academy | 3:56 | 9,197 | |
 | Introduction to increasing, decreasing, positive or negative intervals | Algebra I | Khan Academy | 5:56 | 31,961 | |
 | How to recognize relative and absolute maxima and minima | Functions | Algebra I | Khan Academy | 3:40 | 10,018 | |
 | How to find the domain and range of a piecewise function | Functions | Algebra I | Khan Academy | 7:25 | 23,464 | |
 | How to find the domain and range of a piecewise function | Functions | Algebra I | Khan Academy | 2:44 | 27,554 | |
 | Introduction to decimals | Decimals | 4th grade | Khan Academy | 6:26 | 24,199 | |
 | How to evaluate a piecewise function (example) | Functions | Algebra I | Khan Academy | 4:24 | 34,618 | |
 | How to determine the domain of a modeling function | Functions | Algebra I | Khan Academy | 2:34 | 10,363 | |
 | How to determine the domain of algebraic functions (examples) | Functions | Algebra I | Khan Academy | 7:14 | 22,350 | |
 | What is the domain of a function? | Functions | Algebra I | Khan Academy | 6:45 | 31,311 | |
 | Overview of the Official SAT Practice | Tips & Planning | New SAT | Khan Academy | 10:60 | 24,249 | |
 | Comparing fractions of different wholes | Fractions | 3th grade | Khan Academy | 4:58 | 13,019 | |
 | Average height of a building's floor | Multiplication and division | 3th grade | Khan Academy | 0:59 | 20,633 | |
 | Comparing numbers represented in different ways | 4th grade | Khan Academy | 7:40 | 12,903 | |
 | Comparing decimals visually example | 4th grade | Khan Academy | 3:40 | 6,993 | |
 | Comparing decimals example 1 | Decimals | 4th grade | Khan Academy | 3:29 | 8,298 | |
 | Place value for decimals greater than one (examples) | 4th grade | Khan Academy | 6:55 | 11,202 | |
 | Fraction-decimal intuition problems (examples) | 4th grade | Khan Academy | 4:37 | 18,866 | |
 | Plotting decimal numbers on a number line (examples) | Khan Academy | 4:80 | 20,408 | |
 | Decimal intuition with grids (examples) | Decimals | 4th grade | Khan Academy | 3:60 | 17,406 | |
 | Decimals as words | Decimals | 4th grade | Khan Academy | 5:38 | 19,280 | |
 | Decompose hundredths on number line | Fractions | 4th grade | Khan Academy | 1:47 | 4,893 | |
 | Decomposing hundredths into tenths and hundredths | 4th grade | Khan Academy | 4:11 | 8,257 | |
 | Visually converting from tenths to hundredths | 4th grade | Khan Academy | 4:20 | 8,384 | |
 | Comparing fractions visually with pies | Fractions | 4th grade | Khan Academy | 2:32 | 11,722 | |
 | Comparing fractions on a number line | Fractions | 4th grade | Khan Academy | 2:55 | 13,333 | |
 | Comparing fractions visually with a bar | Fractions | 4th grade | Khan Academy | 2:35 | 15,155 | |
 | Equivalent fractions and different wholes | Fractions | 4th grade | Khan Academy | 6:60 | 32,084 | |
 | How to write one-step equations for word problems | 6th grade | Khan Academy | 4:21 | 14,279 | |
 | How to use the distributive property with variables | 6th grade | Khan Academy | 6:29 | 35,271 | |
 | How to use the distributive property to factor out the greatest common factor | Khan Academy | 3:27 | 52,133 | |
 | How to write algebraic expressions from word problems | 6th grade | Khan Academy | 4:42 | 16,729 | |
 | How to write basic algebraic expressions from word problems | 6th grade | Khan Academy | 3:90 | 17,443 | |
 | How to write basic expressions with variables | 6th grade | Khan Academy | 2:37 | 19,891 | |
 | Thinking about the changing values of variables and expressions | 6th grade | Khan Academy | 5:15 | 18,592 | |
 | How to evaluate expressions in two variables with decimals and fractions | 6th grade | Khan Academy | 3:27 | 26,925 | |
 | The zeroth power | Arithmetic operations | 6th grade | Khan Academy | 4:32 | 20,536 | |
 | How to find equivalent expressions by combining like terms and using the distributive property | 1:58 | 62,773 | |
 | Approximating with powers of 10 | Numbers and operations | 8th grade | Khan Academy | 4:10 | 8,786 | |
 | Multiplying multiples of powers of 10 | Numbers and operations | 8th grade | Khan Academy | 2:41 | 7,887 | |
 | Comparing values with calculator | Numbers and operations | 8th grade | Khan Academy | 4:10 | 16,370 | |
 | How to interpret an expression with function notation | Functions | Algebra I | Khan Academy | 2:36 | 11,165 | |
 | How to interpret an expression with function notation | Functions | Algebra I | Khan Academy | 3:24 | 17,410 | |
 | How to create a function from an equation (example) | Functions | Algebra I | Khan Academy | 3:40 | 50,257 | |
 | How to match function input to output given the formula (example) | Algebra I | Khan Academy | 1:40 | 24,632 | |
 | How to find two function inputs with the same output given graph (example) | Khan Academy | 1:49 | 21,150 | |
 | Linear models example 2 | Algebra I | Khan Academy | 5:37 | 4,652 | |
 | Linear models example 1 | Algebra I | Khan Academy | 8:52 | 10,701 | |
 | Constructing linear functions example 2 | Algebra I | Khan Academy | 8:23 | 4,763 | |
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