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Exploring Our Backyard, The Solar System - Part 1/2
A charming narrator introduces viewers to the wonders and history of our own solar system. A full explanation describing the birth of our sun, planets, and entire solar system. This is the first part of a two-part series on our solar...
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Mountains and Valleys - Part 4/5
We're off to New Zealand! With high peaks and mountaintop lakes, the Fiordland is home to one of the rarest birds in the world, the takahe. With the population dwindling to just 50 at one point, the sedentary bird is found in the alpine...
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Reptiles - NatGeo Best Photos
This video slide show includes vibrant photographs of various reptiles. From snakes to turtles, this slide show will definitely rattle your scales.
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Parabola Focus and Directrix 1
Starting with a point (focus) and a line below the point (directrix), in this video, Sal tries to find the set of all points (locus) equidistant to the point and the line. He shows, using the distance formula, that indeed, we have an...
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Focus and Directrix of a Parabola 2
Continuing from a previous video, Sal takes the discussion of the focus and directrix of parabola further. Given the parabola, y=x2, he derives the focus and directrix by matching parts of the equation he found earlier. He then, comes up...
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Finding the 100th Term in a Sequence
The example problem is this video has a sequence of numbers that decrease by a fixed amount with each iteration, and one needs to find the 100th number in the sequence. Sal shows the listener how to find the pattern between the number...
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Example: Solving for a Variable, Linear Equations, Algebra I
Sal uses the formula for the perimeter to show how the variables can be moved around to solve a problem. He demonstrates a few different ways to do this.
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Conic Sections: Intro to Hyperbolas
In this video, Sal starts with the equation of a hyperbola by first comparing it to the equation of the circle, and ellipse. He then shows how to find the equation of the asymptotes by solving for y. He also shows a few intuitive ways to...
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Conic Sections: Intro to Circles
The equation of a circle is explored in this video by looking first at the equation of a circle with the center at the origin; then building upon that, equations of circles that are shifted off the origin.
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Binomial Theorem (Part 2)
Sal shows two ways to quickly calculate the coefficients of a binomial expansion. With the first method, he shows the relationship between PascalÕs triangle and the coefficients, and in the second method, he shows an even faster way for...
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Binomial Theorem (Part 1)
In this video, the Binomial Theorem is defined and used to expand (a + b) 4.
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More Involved Radical Equations
Sal is not kidding when he calls this radical expression "hairy" and "more involved." Though viewers might be daunted by the amount of work necessary in solving the problem, Sal is confident and collected throughout the video. It's...
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Singapore Math: Grade 3a, Unit 2 (Part 7)
If you need to extend your four-digit addition example problems, this video is perfect. Sal provides a variety of practice problems firmly based on the place value system. Each problem is wonderfully explained using multiple colors and a...
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What Makes a Hero?
Viewers will love this engaging video, which is an adventure of its own! The narrator begins by relating the hero's journey to modern books, and then introduces Joseph Campbell and his thoughts about the process. As the narrator details...
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STEMbite: The Calculus of Building Blocks
Watch this video with your junior engineers or your higher-level mathematicians. In it, Drew builds half of an arch bridge with building blocks. There happens to be a magnetic board behind the blocks, on which he affixes a magnet for...
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STEMbite: Probability Challenge
Your statisticians will rise to the probability challenge while watching this video. A toy elephant is placed into one of 24 drawers. What is the probability of correctly guessing which one? As more drawers are opened, does the...
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STEMbite: DVD Players
Hear a complete explanation of how a DVD player works. Data is stored in the spiraling groove of a compact disc, and a laser follows the groove, reading the peaks and valleys as 1s and 0s. The teacher even explains the difference between...
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STEMbite: Heat Transfer
Convection, conduction, and radiation are the three methods of heat transfer. Introduce them to your physical science students by showing this video. The emcee shows where each of these play a role in his kitchen and explains a bit about...
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STEMbite: DNA Folding
Super short, but very visual, this video models how DNA can pack a tremendous amount of information in a tiny space. Andrew Vander Heuvel visits a farm museum where some young ladies are making rope. The final strand is six times shorter...
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STEMbite: Engaging Plants
The science teacher discusses features of weeds in his backyard and how their thorns are used by the plant to engage animals. Other methods that plants use to engage animals include appearance, scent, and the taste of their products. Mr....
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STEMbite: 300 Billion Things
Just how much is 300 billion? There are supposedly this many stars in our skies! Mr. Vanden Heuvel calculates about how many blades of grass are in his lawn, but doesn't get close. Then he computes how many grains of sand there are in a...
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STEMbite: Bar Codes
Binary code is used to create an endless supply of barcodes. The narrator writes out the computation of how many bar codes are possible. Then he shows that we have come up with even more complex coding such as quick response (QR) code...
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Miss Selle's Science Songs - Water Cycle Song (Red Solo Cup Parody)
From condensation, transpiration, and evaporation to infiltration, percolation, and precipitation, this video covers it all! Middle schoolers will love the lyrics and lively visual representations that combine to tell the story of the...
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Miss Selle's Science Songs - Gravity
Young scientists will enjoy this delightful video that illustrates the role gravity plays in our solar system. Lyrics set to a snappy tune explain that the force of gravity is what holds us to the earth and keeps planets orbiting around...