Khan Academy
Khan Academy: Airbus A380 Take Off Time
Sal Khan figures out how long it takes an A380 to take off given a constant acceleration. [8:08]
Khan Academy
Khan Academy: Adjective/adverb Confusion Worked Example
Watch David work through an adjective-adverb use question from the Praxis Core Writing test. [3:42]
Khan Academy
Khan Academy: The Vestibular System, Balance, and Dizziness
Do you know about the vestibular system? This video discusses how the vestibular system in charge of your sense of balance and spatial orientation. [6:45]
Khan Academy
Khan Academy: The Spotlight Model of Attention and Our Ability to Multitask
A video focusing on attention and how people can multitask. [7:28]
Khan Academy
Khan Academy: Six Types of Enzymes
A video reviewing over the six types of enzymes and how they catalyze reactions. Learn how you can figure out the function of an enzyme from its name. [7:03]
Khan Academy
Khan Academy: Titration Calculation Example
Learn how to calculate the unknown concentration with titration. See an example of titrating strong acid, hydrochloric acid, with strong base barium hydroxide. [7:49]
Khan Academy
Khan Academy: Visual Sensory Information
In this video, I explore our sense of vision. Vision is an important sense. Learn all about this sense and how the physical stimulus of light is perceived by the receptors in our eyes. [8:01]
Khan Academy
Khan Academy: Shorthand Notation for Galvanic/voltaic Cells
This video lesson explains how to describe a galvanic and voltaic cells using shorthand notation. This information is intended for college students who are taking courses in the health and medical fields.
Khan Academy
Khan Academy: Writing: Pronoun Antecedent Agreement Harder Example
Watch Sal work through a pronoun-antecedent agreement question from the SAT Writing and Language Test. [1:34]
Khan Academy
Khan Academy: Writing: Pronoun Antecedent Agreement Basic Example
Watch Sal work through a basic pronoun-antecedent agreement question from the SAT Writing and Language Test. [1:22]
Khan Academy
Khan Academy: Writing: Precision Basic Example
Watch Sal work through a basic word precision question from the SAT Writing and Language Test. [2:37]
Khan Academy
Khan Academy: Writing: Precision Harder Example
Watch Dave and David work through a word precision question from the SAT Writing and Language Test. [2:13]
Khan Academy
Khan Academy: Writing: Possessive Pronouns Harder Example
Watch Sal work through a possessive pronouns question from the SAT Writing and Language Test. [1:54]
Khan Academy
Khan Academy: Writing: Possessive Pronouns Basic Example
Watch David work through an SAT Writing question on possessive pronouns. [1:51]
Khan Academy
Khan Academy: Writing: Possessive Determiners Harder Example
Watch Sal work through a harder possessive determiners question from the SAT Writing and Language Test. [2:16]
Khan Academy
Khan Academy: Writing: Possessive Determiners Basic Example
Watch Sal work through a basic possessive determiners question from the SAT Writing and Language Test. [1:55]
Khan Academy
Khan Academy: The Periodic Table Classification of Elements
This video [8:55] provides definitions of groups, periods, alkali metals, alkaline earth metals, halogens, and noble gases, and explains how metals, non-metals, and metalloids can be identified by the position on the periodic table.
Khan Academy
Khan Academy: Worked Example: Physical Education in the Uk
The purpose of this video is to demonstrate how to approach reading and answering questions using an example from the critical analysis and reasoning skills section of the MCAT. [15:09]
Khan Academy
Khan Academy: Writing: Parallel Structure Harder Example
Watch Sal work through a parallel structure question from the SAT Writing and Language Test. [2:32]
Khan Academy
Khan Academy: Writing: Parallel Structure Basic Example
Watch Sal work through a basic parallel structure question from the SAT Writing and Language Test. [1:13]
Khan Academy
Khan Academy: Writing: Noun Agreement Harder Example
Watch Sal work through a noun agreement question from the SAT Writing and Language Test. [1:18]
Khan Academy
Khan Academy: Writing: Noun Agreement Basic Example
Watch Sal work through a noun agreement question from the SAT Writing and Language Test. [1:05]
Khan Academy
Khan Academy: Writing: Nonrestrictive & Parenthetical Elements Harder Example
Watch Sal work through a nonrestrictive and parenthetical elements question from the SAT Writing and Language Test. [1:56]
Khan Academy
Khan Academy: When the Source and the Wave Move at the Same Velocity
A video solving problems and explaining concepts about the doppler effect. In this video, problems are solved when both the listener and the source are moving together? [7:34]