Curated Video
Thousands of pro-govt supporters march in Caracas
Supporters of Venezuelan President Nicolas Maduro have taken part in an 'anti-imperialist march for the peace' in Caracas.
AFP News Agency
CLEAN : Scene at Mexico-US border as Vice President Harris visits Mexico City
Images from the US-Mexico border where Central American migrants depart Mexico, some voluntarily, while others are deported (Footage by AFPTV via Getty Images)
AFP News Agency
VOICED : Importar maíz para las arepas, el principal alimento del venezolano
Las arepas son el alimento por excelencia en Venezuela. El país produce maíz, su principal ingrediente, pero el sector ha sido duramente golpeado por la inseguridad, la falta de combustible y la hiperinflación, lo que obliga a las...
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]
Sophia Learning
Sophia: Polarity: Lesson 2
This lesson will define bond polarity as the unequal sharing of electrons. It is 2 of 2 in the series titled "Polarity."
Sophia Learning
Sophia: Dipole Moment Notation: Lesson 2
This lesson will demonstrate how to use symbolic notation to illustrate a dipole moment in a bond or in a molecule. It is 2 of 3 in the series titled "Dipole Moment Notation."
Khan Academy
Khan Academy: Batteries: Reverse Electrodes (Polarity)
Video lecture explains what happens to the deflection when we attach the penny and zinc in the opposite direction? [1:23]
Sophia Learning
Sophia: Determining Bond Polarity
Use this lesson to help understand how to calculate the difference in electronegativity to determine whether a bond is ionic, polar covalent, or nonpolar covalent. [6:55]
Next Vista for Learning
Next Vista for Learning: Cohesion
A video investigating how water sticks together to form droplets, lakes, bays, and pool. Understand the property of cohesion which allows water to stick to each other by hydrogen bonds.[1:22]
Sophia Learning
Sophia: Dipole Moment Notation: Lesson 3
This lesson will demonstrate how to use symbolic notation to illustrate a dipole moment in a bond or in a molecule. It is 3 of 3 in the series titled "Dipole Moment Notation."
Sophia Learning
Sophia: Polarity of Molecular Compounds: Lesson 1
This lesson will demonstrate how to use molecular shape to determine if a molecule is polar or nonpolar. It is 1 of 2 in the series titled "Polarity of Molecular Compounds."
Sophia Learning
Sophia: Water as a Solvent: Lesson 2
This lesson will demonstrate that water is a common solvent and why it forms aqueous solutions readily. It is 2 of 2 in the series titled "Water as a Solvent."
Sophia Learning
Sophia: Characteristics of Chemical Bonds: Lesson 3
This lesson will present the basic properties and characteristics of chemical bonds. It is 3 of 4 in the series titled "Characteristics of Chemical Bonds."