Khan Academy
Khan Academy: Charlemagne: An Introduction
The fall of the Roman Empire left a power void in Europe. Learn about Charlemagne who filled that void and how he established his empire. This video discusses his background and the relationship between the papacy and monarchs. [7:49]
Khan Academy
Khan Academy: Period Trend for Electron Affinity
An explanation of electron affinity trends across the second period of the Periodic Table. Elements that do not match the trend are identified. [7:28]
Khan Academy
Khan Academy: Video Games and Violence
In this video lesson students look at a set of data, transfer the data into a two-way table and then use that table to make inferences about the data.
Khan Academy
Khan Academy: Elements and Atoms
A video lecture explaining elements and their differing properties. Also discussed is how elements relate to atoms and the particles that make up an atom. [13:08]
Khan Academy
Khan Academy: Moments, Torque, and Angular Momentum: Cross Product and Torque
Learn how to find the direction component of torque with this video. Review vector quantities to understand how to apply the right hand rule to a torque problem. [10:00]
Khan Academy
Khan Academy: Chemistry of Life: Electron Shells and Orbitals
A video lecture explaining the movement of the electrons around the nucleus in orbitals. Video describes the orbital's energy shell and shape. Also discussed is the connection of the location of the electrons to the periodic table. [13:37]
Khan Academy
Khan Academy: Chemistry of Life: Chemical Bonds and Reactions
Learn how atoms stick together to form a bond in this video. Video explains ionic, covalent, and metallic bonding. [13:21]
Khan Academy
Khan Academy: Water, Acids and Bases: Hydrogen Bonding in Water
A video exploring the structure of water. Learn how the structure of water allows it be essential for life. Video reviews how hydrogen bonding causes water to have slightly negativity and slightly positive ends. [6:46]
Khan Academy
Khan Academy: Capillary Action and Why We See a Meniscus
A video introducing the intermolecular forces in water by exploring capillary action and the formation of a meniscus. Video will discuss the forces of adhesion and cohesion. [8:25]
Khan Academy
Khan Academy: Le Bron Asks: Why Does Sweating Cool You Down?
A video exploring how the average kinetic energy of the water molecules decreases as a result of sweating which cools you down. [5:36]
Khan Academy
Khan Academy: Autoionization of Water
Learn about the self-ionization of water into hydronium and hydroxide ions in this video. [10:54]
Khan Academy
Khan Academy: Carbon as a Building Block of Life
A video lecture exploring why carbon is considered the building block of life. Understand how its capacity to bond allows it to be essential for life. [9:01]
Khan Academy
Khan Academy: Hydrocarbon Overview
Get an overview of hydrocarbons in this video. Learn about some of the pure hydrocarbons like pentane,alkane, ethane, ethylene, and acetylene. [7:33]
Khan Academy
Khan Academy: Carbohydrates: Molecular Structure of Glucose
A video discussing the molecular structure of glucose. Learn how the structure can be linear and ring shaped. [9:18]
Khan Academy
Khan Academy: Macromolecules: Molecular Structure of Triglycerides (Fats)
A video discussing how three fatty acids and a glycerol molecule come together to form a triglyceride. [11:03]
Khan Academy
Khan Academy: Macromolecules: Nucleic Acids: Dna
A video discussing the molecular structure of DNA. Understand that DNA is made up of a phosphate, deoxyribose sugar, and one of the four nitrogen base. Video also explains how the nitrogen bases pair up to form the double helix...
Khan Academy
Khan Academy: Structure of a Cell: Cell Size
Understand that cell size is limited by volume to surface area ratio in this video. Learn that if cells become too big it cannot take in nutrients and get rid of waste fast enough. [8:55]
Khan Academy
Khan Academy: Tour of Eukaryotic Cell: Endoplasmic Reticulum and Golgi Bodies
A video reviewing the structure and function of the endoplasmic reticulum and Golgi body. Learn how both of these organelles function in the transportation of proteins throughout the cell. [11:39]
Khan Academy
Khan Academy: Structure of a Cell: Extracellular Matrix
How do we go from cell to a multicellular organism? This video will explore the components of the extracellular matrix that connect to the inside of the cell. [6:54]
Khan Academy
Khan Academy: Membranes and Transport: Fluid Mosaic Model of Cell Membranes
Learn all about the complex components of the cell membrane in this video lecture. Understand how the components of the phospholipid bilayer allows the cell membrane to be modeled by a fluid mosaic model. [8:47]
Khan Academy
Khan Academy: Diffusion
A video lecture exploring diffusion. Understand how a concentration gradient causes molecules to move from an area of high concentration to low concentration without any energy expended. [6:07]
Khan Academy
Khan Academy: Passive Transport and Selective Permeability
Learn about the transport of molecules across the cell membrane in this video. Video discusses passive transport, like diffusion, across a selectively permeable membrane. [6:59]
Khan Academy
Khan Academy: Membranes and Transport: Active Transport: Sodium Potassium Pump
This video will investigate how an electrochemical gradient is established but pumping sodium ions out of the cell while potassium ions are pumped into the cell. [7:17]
Khan Academy
Khan Academy: Bulk Transport: Endocytosis, Phagocytosis and Pinocytosis
A video discussing bulk transport. Learn the process of using membrane bound vesicles to bring materials into the cell. [4:37]