Professor Dave Explains
Core Principles and Concepts of Dendrochronology
Now that we know what dendrochronology is, it's time to dig into the core principles and concepts of this discipline, so that we can better understand how dendrochronologists think and what they do. Data acquisition and tree ring...
Curated Video
Introduction to Diffusion: Definition, Process, and Factors Affecting Rate
This video provides an explanation of what diffusion is, how it occurs, and how to change the rate of diffusion. The concept of diffusion is demonstrated through the example of a plate of food emitting a smell that travels across a room....
Curated Video
Finding the Length of a Diagonal Without Using a Ruler
In this video, the teacher explains how to find the length of a diagonal without using a ruler. They demonstrate the concept by creating squares and counting the units inside and outside the square. The teacher also introduces the...
Curated Video
Understanding Price Elasticity of Demand - Characteristics of Demand Curves
This video is a lesson on the price elasticity of demand and the characteristics of demand curves. The instructor explains how to calculate price elasticity of demand and defines the terms elastic and inelastic. The video also covers how...
Curated Video
Rewriting Rational Expressions to Find Missing Dimensions
In this video, the teacher explains how to find missing dimensions in area or volume problems by rewriting rational expressions. The lesson covers factoring and long division techniques to simplify expressions and determine the width,...
National Institute of Standards and Technology
Simulation of the Dynamics of a Fire in a One-Story Restaurant -- Texas
This video describes the results of computer model calculations using the National Institute of Standards and Technology (NIST) Fire Dynamics Simulator (FDS) that were performed to provide insight on the thermal conditions that may have...
Visual Learning Systems
Sound: the Traveling of Sound
When you hear the roar of traffic, the bark of a dog, or your teacher's voice, you are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and...
Wonderscape
Science Kids: Plastic and Chemical Pollution in Oceans
This video discusses the significant sources of pollution in our oceans, focusing on the impact of chemical waste and plastic pollution. It highlights the consequences of pollution on marine life, human health, and the environment. The...
Curated Video
Measuring Area with Grid Paper
In this video, students learn how to measure the area of shapes using grid paper. The video emphasizes the importance of focusing on the area of the shape on the grid paper, rather than the entire grid paper itself.
Curated Video
Investigating the Effect of Surface Area on the Rate of Reaction
The video discusses the topic of investigating the effect of surface area on the rate of chemical reactions. The presenter explains the concept of collision theory and how chemical reactions occur when particles collide with each other....
Brian McLogan
Solve with changing area using related rates
👉 Learn how to take the derivative of a function. Learn how to find the derivative of a function using the chain rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the...
Brian McLogan
How to find the area of a figure by using multiple figures (mistake)
👉 Learn how to find the area and perimeter of composite shapes. A composite shape is a shape that is composed of different shapes. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
TMW Media
The Everglades Ecosystem: Learn how the everglades came to be
What are the different ecosystems that make up the everglades? What has compromised the health of the everglades? Where do the everglades begin? When and how did the everglades begin to form? What happened when settlers came to the area?...
TMW Media
The history inside the museum of Belize
Un-Belizable! We're off on a Central American Mayan excursion on this episode of Travel Thru History! Belize City, is a popular tropical hotspot on the coast of the country of Belize. Belize is considered the heartland of the Maya...
Brainwaves Video Anthology
Herbert Kelman - Conflict Resolution
HERBERT C. KELMAN is the Richard Clarke Cabot Professor of Social Ethics, Emeritus, at Harvard University and was (from 1993 to 2003) Director of the Program on International Conflict Analysis and Resolution at Harvard's Weatherhead...