Curated Video
Calculating Volume Using Nets of Rectangular Prisms
In this lesson, students will understand that a net is a 2-dimensional representation that can be folded to create a 3-dimensional shape. By using multiplication and addition, students will calculate the volume of a solid by counting the...
Professor Dave Explains
Calculating Volume by Cylindrical Shells
How to find the volume of a solid of revolution by the method of cylindrical shells.
Curated Video
Finding the Surface Area of Triangular Prisms
In this video, you will learn how to find the surface area of triangular prisms by calculating the area of the faces that make up the figure. The video provides an example problem and offers helpful tips and shortcuts for solving similar...
Curated Video
Calculating the Force Exerted by an Object on a Table
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q2, which involves force. By using the formula for pressure and the given dimensions of the rectangle, we will work through the steps to...
Brian McLogan
Graphing a linear inequality greater than or equal to
👉 Learn how to graph linear inequalities written in slope-intercept form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also...
Curated Video
Matlab 👩💻 Plots
A plot is a visual representation of the data and is especially valuable to analyze data graphically. You can plot with the plot(x,y) function. In the incubator example, we may want to see how the temperature changes with time. The...
Flipping Physics
Merry-Go-Round - Conservation of Angular Momentum Problem
A 25 kg child is sitting on the edge of a merry-go-round. The merry-go-round has a mass of 255 kg and is rotating at 2.0 radians per second. The child crawls to the middle of the merry-go-round. What is the final angular speed of the...
Curated Video
3D Pen - Plastic to metal, Girlfriend spider prank, Dry ice air-hockey. #3D Simo Mini
I've always wanted to play with a 3D pen, they look pretty fun. Ive figured out some practical uses, like turning plastic into metal, and 'welding' broken plastic together. It's easy to turn any 3D drawn or 3D printed plastic object into...
Curated Video
Bounds: Finding the Upper Bound for the Value of an Algebraic Equation
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q19, which involves bounds. By using algebraic manipulation and rounding to the correct number of significant figures, we will work through the...
SciShow
3 Groundbreaking New Toilets
Most of the time you probably don’t have to think too much about your toilet, but billions of people don’t have access to safe sanitation. So, engineers are working on new kinds of toilets that could help solve that!
Brian McLogan
What is a net
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
The Business Professor
Marketing - Measuring Environmental Impact
This Video Explains Marketing - Measuring Environmental Impact
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Volume - Cone and Hemisphere - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: 3D Shapes - Surface Area - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
Introducing Sensitivity Analysis for Business Forecasting Accuracy Improvement
This video provides an introduction to sensitivity analysis and how it can help businesses improve the accuracy of their forecasts. The narrator explains that businesses face uncertainties in all activities they undertake and that these...
MinuteEarth
Why Earthquakes Are So Hard To Predict
Scientists are trying to figure out if they can predict big earthquakes by simulating small quakes in labs and studying big quakes under the ocean. Thanks to the University of Rhode Island for sponsoring this video. Thanks also to our...
National Geographic
Battle on the Tundra (Deleted Scene) | Life Below Zero
Solid ice has interfered with Andy's beaver traps. He has to figure out a fix so he can continue harvesting. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ LIFE BELOW ZERO AIRS TUESDAYS 9/8c. About Life Below Zero: Life Below Zero follows...
National Geographic
What's in Peanut Butter? | Ingredients With George Zaidan (Episode 7)
Crunchy versus creamy, runny versus solid ... there’s a lot more to peanut butter than just peanuts and salt. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Watch all episodes of Ingredients here: http://bit.ly/WatchIngredients ➡ Get...
MinuteEarth
Why Earthquakes Are So Hard To Predict
Scientists are trying to figure out if they can predict big earthquakes by simulating small quakes in labs and studying big quakes under the ocean. Thanks to the University of Rhode Island for sponsoring this video....
Big Think
Preserving truth: How to confront and correct fake news | Craigslist founder Craig Newmark
- "[T]o have a democracy that thrives and actually that manages to stay alive at all, you need regular citizens being able to get good, solid information," says Craig Newmark. - The only constructive way to deal with fake news? Support...
Teacher's Pet
The Ideal Gas Law
Learn how the Ideal gas law is derived from the combined law, practice a problem and learn the difference between real and ideal gases. transcript below: ____________________________________________ Combined gas law is great! We can...
Stated Clearly
What Is an Atom and How Do We Know?
Ever wonder how we actually know that atoms exist? Here we'll learn what atoms are and exactly how scientists went about figuring all this out. Play the Bond Breaker game here: http://www.castl.uci.edu/games/bondbreaker Read about one of...
Reading Through History
History Brief: The Second Continental Congress and the Olive Branch Petition
In this video, Second Continental Congress meets and George Washington is selected to lead the Continental Army. For teaching resources to accompany this video series, click here: http://amzn.to/2rwik9g *** Like our Facebook page:...
Epic Reads
V. E. Schwab Shares Three Secrets About Gallant
Bestselling author of The Invisible Life of Addie LaRue and many other works, V. E. Schwab, share a few secrets of what you can expect from their newest release, Gallant, a dark, haunting new tale. ABOUT GALLANT: Everything casts a...
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