The Great War
German Rifles of World War 1
How and why did Germans use rifles in World War I? A video resource discusses rifles in detail by using images as well as analysis by an expert in historical gun usage. Primary source images help connect the content to the military...
Flipped Math
Systems of Equations
Find the intersections. Individuals watch an informative video to review solving linear equations and use the similar methods to solve a system with one linear and one quadratic equation. Using a graphing calculator, scholars then find...
Flipped Math
Sampling Methods
Pupils watch a video to learn about different types of sample design and how to use technology to create a random sample. They discover different types of bias that may happen due to the sampling design or the questions. Learners use...
Flipped Math
Calculus AB/BC - Exponential Models with Differential Equations
Exponential models come with a shortcut. Pupils watch an example of how to determine if a differential equation is an exponential model. Learners realize the solution is in the same formula, allowing for a quick way to determine the...
Crash Course
Hydrocarbon Derivatives
This comprehensive video focuses on functional groups including alcohols, hydroxyl groups, aldehydes, carboxylic acid, acetone, ethers, esters, and amines.
Mathispower4u
Evaluating Algebraic Expressions
What types of mistakes do your classes make when evaluating algebraic expressions? A direct video lesson explains the process of evaluating algebraic expressions by substituting values for multiple variables. The instructor highlights...
Crash Course Kids
Following the Sun
Find out why your shadow looks different at various times of the day with a short earth science video. Young scientists learn about what a shadow is, why it grows longer or shorter over the course of a day, and why it points in...
FuseSchool
Quadratic Graph—Roots and Y-Intercept
Build a connection between the equation and graph of a quadratic function. A thorough video lesson demonstrates how to use find the roots and y-intercept of a quadratic function and create a graph from the three points. The instructor...
Curated OER
The Pilgrims: Alliance with Massasoit’s People and the First Thanksgiving
Is the story of the First Thanksgiving actually all it's said to have been? Watch a video that sheds light on the event, who Samoset and Massasoit were, and what the First Thanksgiving was really all about.
Periodic Videos
Hafnium
If you combine two hafniums, do you get a wholenium? Hafnium finds itself useful in nuclear submarines and plasma welding torches. While watching the 118-part series on each element in the periodic table, scholars learn more about...
Socratica
What Are Eclipses? Solar Eclipse and Lunar Eclipse
Take a tour of one of the most dramatic astronomical events! The Socratica Astronomy series presents a lesson on the similarities and differences of solar and lunar eclipses. The narrator shows the physical arrangement that...
Bozeman Science
Polymers
High school chemists concentrate on the formation of polymers through condensation reactions. A video also explains the process of breaking them down through hydrolysis.
Educreations
The Aufbau Hotel
A simple analogy helps to explain a complicated concept in this instructional chemistry video. After first listening to a description of a hotel with different types of rooms on different floors, each with its own...
PBS
Eligio Peña
A brief video details the journey Eligio Peña took to leave the Dominican Republic to make a better life in New York City.
Emergent Order
Fight of the Century: Keynes vs. Hayek Round Two
In a witty and entertaining video, world-renowned economists John Maynard Keynes and Friedrich Hayek come to life and debate impact of government spending on the economy through the medium of a rap song and metaphor of a boxing match.
Crash Course
Studying for Exams: Crash Course Study Skills #7
The test is tomorrow, so you should stay up all night to study—right? Teach middle and high schoolers that cramming is not the answer with a short video on studying for exams. It covers ways to address possible constraints on studying,...
PBS
Voter Mobilization in Texas
Henry B. Gonzalez, José Luis Guttierez, and Willie Velasquez are the focus of a video that spotlights the contributions the three individuals made for the Chicano population. Actual footage alongside passionate interviews from family...
Flipped Math
Trig Ratios
Take ratios of sides to a new level. Pupils learn the definitions of the three basic trigonometric ratios in right triangles. Using the definitions, scholars find missing lengths in right triangles, based on a known angle. Individuals...
Crash Course
Reproductive System – Sex and Fertilization (Part 3)
Having sex calms nerves, reduces blood pressure, and reduces stress. Video 42 in a series of 47 specifically focuses on sex and fertilization. The narrator discusses how scientists determined the four phases of sexual response during the...
DoodleScience
Transverse and Longitudinal Waves
Transverse waves and longitudinal waves each have unique properties. Young scholars learn these differences, the measurements of waves, and a formula for calculating the speed of the wave.
Fuse School
Intermolecular Forces
Investigate types of intermolecular forces through a video lesson. The instructor explains the concept of intermolecular forces and the three types. He includes several examples and illustrations of each.
PBS
Journey from Mexico
An interview with Victor Villaseñor details his family's journey from Jalisco, Mexico to El Paso, Texas. Brought on by the Mexican Revolution, Victor and his family decided to make a new home in the United States of America. The path to...
Crash Course Kids
Fixing Failure Points
How do engineers find and fix failure points in a solution they're trying to develop? This is the driving question of an informative and entertaining video. Here, future engineers discover why it is important to fail when...
Crash Course
Thespis, Athens, and The Origins of Greek Drama: Crash Course Theater #2
Unless you're singing about a lonely goatherd in the Sound of Music, goats have little to do with theater, and yet the word tragedy comes from the Greek words for goat and song. A video about Greek drama, the second video in the Crash...