Khan Academy
Khan Academy: Writing: Within Sentence Punctuation Harder Example 1
In this video [2:16] watch Dave and David work through a harder within-sentence punctuation question from the SAT Writing and Language Test.
Khan Academy
Khan Academy: Writing: Within Sentence Punctuation Harder Example 2
In this video [2:04] watch Sal work through another harder within-sentence punctuation question from the SAT Writing and Language Test.
Khan Academy
Khan Academy: Writing: Syntax Harder Example
In this video [3:02] watch David work through an SAT Writing: Syntax question.
Khan Academy
Khan Academy: Writing: Syntax Basic Example
In this video [2:07] watch Sal work through a basic syntax question from the SAT Writing and Language Test.
Khan Academy
Khan Academy: Writing: Subordination and Coordination Harder Example
In this video [2:30] watch Sal work through a harder subordination and coordination question from the SAT Writing and Language Test.
Khan Academy
Khan Academy: Zygote Differentiating Into Somatic and Germ Cells
In this video [9:34] learn how a zygote, the single cell produced by fertilization, divides by mitosis to produce all the tissues of the human body (including germ cells, which can undergo meiosis to make sperm and eggs).
Khan Academy
Khan Academy: Zimbardo Prison Study the Stanford Prison Experiment
This video [7:02] focuses on the Stanford Prison Experiment, a social psychology study in which college students became prisoners or guards in a simulated prison environment. However, mistreatment of prisoners escalated so alarmingly...
Khan Academy
Khan Academy: Types of Animal Communication
Learn how animal communication is involved in the social behavior of animal groups with this video. [8:57]
Khan Academy
Khan Academy: Absorption in the Visible Region
Physical basis of our perception of color. Example of beta-carotene, the molecule that makes carrots orange.
Khan Academy
Khan Academy: Absorption and Emission
Using shell model diagram to relate absorption to emission. Derives relationship between emitted photon and energy levels, the Balmer-Rydberg equation.
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Khan Academy: Twin Studies and Adoption Studies
Nature versus nurture is explored in this video. Learn how researchers are looking at what traits or behaviors may be inherited from the environment vs. genetics. [9:52]
Khan Academy
Khan Academy: Turbulence at High Velocities and Reynold's Number
In this video, explore how the Reynold's number allows you to determine the speed at which fluid flow becomes turbulent. [2:10]
Khan Academy
Khan Academy: Structural (Constitutional) Isomers
A video investigating how to draw structural isomers using bond-line structures. Use this video to see examples so you can learn how to draw structural isomers. [9:52]
Khan Academy
Khan Academy: Strong Acids and Strong Bases
Video shows an example of how to calculate the pH of a nitric acid solution, sodium hydroxide, and a calcium hydroxide. [12:32]
Khan Academy
Khan Academy: Subviral Particles: Viroids and Prions
A video reviewing over the nonliving particles that are smaller than viruses known as subviral particles. [5:01]
Khan Academy
Khan Academy: Subcortical Cerebrum
Venture to a deep part of the cerebrum to look inside the subcortical cerebrum with this video. Explore both gray and white matter! [8:41]
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Khan Academy: Writing: Concision, Style, and Tone Basic Example 2
"Watch Sal work through a basic style and tone question from the SAT Writing and Language Test" in this video. [2:07]
Khan Academy
Khan Academy: Using the Arrhenius Equation
See examples of how to calculate activation energy by using the Arrhenius equation. [11:06]
Khan Academy
Khan Academy: Substance Use Disorders
Learn about what happens when drugs enter and exit the body in this video. Video investigates the effect of these substances and how they become additive. [7:31]
Khan Academy
Khan Academy: Subculture vs Counterculture
A video reviewing over the definitions of subculture and counterculture. Video gives clear definitions and examples. [3:30]
Khan Academy
Khan Academy: Wave Interference
Learn how the amplitude of waves can add and subtract when amplitudes overlap in this video. [14:29]
Khan Academy
Khan Academy: Weak Acid Equilibrium
A video showing an example of how to calculate the pH of a weak acid solution. Also, Ka and pKa are explained. [9:30]
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Khan Academy: Weber's Law and Thresholds
This video reviews over how we process the environment in terms of Weber's law and threshold. This video covers over sensory processing. [9:01]
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Khan Academy: What Can We Learn From the Milgram Experiment
A video over viewing a famous psychology study that showed that people would go against their own values to comply with an authority figure. [4:21]