How does something remain the same in order to change? The video discusses homeostatic evolution from both the continuity and changing perspectives. An analysis of the excretory system in flatworms, earthworms, and vertebrates shows...

Aristotle said, "The more you know, the more you know you don't know." Physics includes everything from the laws of motion to quantum gravity. An interesting video attempts to cover the main concepts of every branch of physics in only a...

Sword duels, religious unrest, war—who says science is boring? Aspiring astronomers discover fascinating facts about the famous scientists that dared challenge the accepted model of the solar system in the 13th video of a 16-part History...

A typical tropical cyclone consumes the same amount of power as the entire United States. Scientists understand hurricanes and predict their sizes and paths. The video explains the relationship between hurricanes and ideal engines. It...

Map the velocity of a thrown football using physics! Learners study vector addition using a football scenario. Two vectors model the movement of the receiver and quarterback while the resulting vector describes the velocity of the...

Build a strong foundation for your teaching of stability and change! The video addresses the Next Generation Science Standards Cross-Cutting Concept through insightful examples. The narrator includes ideas for introducing the standard in...

Humans share about 50% of their genes with a banana. In the video, scholars analyze the scientific evidence for evolution. The instructor spends time discussing Darwin and biogeography, fossils, and homologous structures. Scholars then...

Between 1968 and 2002, the total number of peppered moths decreased by almost two thirds, although scientists do now know why. In the 10th video of the series, the instructor defines evolution as any changes to a gene pool. Scholars then...

Does your lesson plan for wave properties have its ups and downs? Get some fresh ideas from an informative video! The narrator discusses PS4A, showing the must-know ideas for each grade level through concept maps and demonstrations.

Need some strategies for teaching nuclear processes that are sure to cause an explosion of learning in your classroom? Get all the essential background knowledge, plus tips for getting your point across in a thoughtful...

How does all this math fit together? The resource creates a graphical view of the extent of mathematics. The map shows the pure and applied sides of studying mathematics and breaks them down into their many disciplines.

What do science scholars need to know about electromagnetic radiation? Get in depth with standard PS4B from the Next Generation Science Standards. The narrator discusses the parts of the electromagnetic spectrum, wave and particle...

How do ecosystems react to change over time? Show your class how natural and man-made factors affect the organisms in an area using the guidelines in a video about standard LS2C. Topics include biotic and abiotic factors, biodiversity,...

Help your classes visualize the invisible. The 26th episode in a Crash Course physics playlist highlights the fields created by charged particles. Using examples and diagrams, the presentation demonstrates the magnitude and direction of...

Kleenex folded in a box is similar to mitochondria in a cell. Llearners explore how eukaryotic cells have specialized organelles that increase the surface area of the cell without making it smaller. E.coli, Halobacteria, and...

Viewers explore real-world examples of both evolution and natural selection as the instructor discusses changes to the environment, mutations causing changes in phenotypes and changing the fitness in organisms, and how humans are...

How do you help your pupils understand the relationship between energy and forces? The video tackles standard PS3C using a concept map and demonstrations. The narrator also provides key vocabulary scholars should master at each grade level.

Help your classes realize their potential! A thorough lesson on potential electric energy helps scholars understand the basics of voltage and capacitors. The instructor also shows how to calculate electric potential energy in the 27th...

Peacocks, when fanning their feathers to attract females, shake the feathers, creating an inaudible sound for humans but one that female hens can hear, even from far away. In the video, scholars explore evolution by analyzing...

Explore transverse and longitudinal waves through a video lesson. Building on the previous lesson in the Crash Course physics series, the 17th lesson compares and contrasts transverse and longitudinal waves. The narrator includes a...

Don't be a lone wolf, learn how the reintroduction of wolves in Yellowstone Park altered the biotic and abiotic factors. Video describes the impact of biotic and abiotic factors at multiple levels. It highlights the examples of food...

Why did carbon marry hydrogen? They bonded well from the minute they met. Here is a video that focuses on the essential chemicals for life: water, carbon, nitrogen, and phosphorus. It relates each of these to macromolecules and the way...

Free energy, get your free energy here! Learners see that all organisms require free energy, which comes from the sun. The lesson explains the first two laws of thermodynamics and then analyzes metabolism, via glycolysis, on a very...

The strengths and problems associated with Mendelian genetics are explored in a video that first reviews Mendelian genetics and independent assortment. Viewers then explore problems with Mendelian genetics such as linked genes,...