This video teaches how to reflect a triangle over the x-axis and y-axis without using a graph by using coordinates. It explains the quadrants of the coordinate plane and how the reflection affects the position and orientation of the...

Correlations are relationships & this film shows how those relationships are measured with correlation coefficients and illustrates the uses of correlations, their limitations and how often and how easily they can be misused.

This video is a lecture presentation on biodiversity. The video explains the importance of maintaining high levels of biodiversity and how human activities are reducing it. The presenter uses examples to illustrate how changes in one...

It explains the Kossel-Lewis approach to chemical bonding, octet rule, covalent bond and classify its different types, Lewis dot structures of covalent compounds.

This presentation develops a basic understanding of the most common drugs in the workplace.

This video explains the concept of operant conditioning, which is the idea that behaviors can be increased or decreased by adding consequences. It explores the four possible ways to teach a lesson through reinforcement and punishment,...

The video discusses graphical representations of proportion, focusing on direct proportion and inverse proportion. The presenter explains the formulas for each type of proportion and demonstrates how they are graphed. They also discuss...

The video focuses on interpreting scatter plots by determining the association of a line of best fit. It provides a review of what a good line of best fit should look like and how it reflects a pattern. The video explains that a line of...

Percentages and Percentage Change

USDA launches a new conservation effort to attract monarch butterflies.

Afterschool Universe is an out-of-school-time astronomy program for middle school students that explores basic astronomy concepts through engaging hands-on activities and then takes participants on a journey through the Universe...

In this video I go over the Macro 2017 FRQ #2. It covers the money market graph, bond prices, and open market operations. Try the question on your own the watch the video to see how you did. Thanks for watching.

This live-action video program is about the word Acceleration. The program is designed to reinforce and support a student's comprehension and retention of the word Acceleration through use of video footage, photographs, diagrams and...

This video discusses the concept of self-determination theory and its findings on motivation. It highlights a study where introducing external rewards decreased intrinsic motivation, emphasizing the importance of intrinsic motivation in...

I made this video to give you a quick overview of supply and demand. I cover the law of demand, law of supply, shifters of demand and supply, shortage, surplus, and changes in equilibrium. I go pretty quick so watch the entire video...

In this video, the concept of work is explained, highlighting that work is done when a force causes an object to move. It also introduces the idea of simple machines, which can decrease the amount of force or effort needed to do work....

Many real-world problems involve percentages. This lecture shows how Algebra is used to solve problems involving percent change and profit-and-loss.

In this video, the teacher explains how to find the amount of change and the final amount given the original amount and the percent of change using diagrams, proportions, and equations. They emphasize that the percent of increase or...

A quick overview of the FED and monetary policy. Enjoy!

This video provides an introduction to the concept of simple machines, focusing specifically on levers. It highlights that levers allow us to move things and do work with less effort, although they do not decrease the total amount of...

This video explains how to graph exponential functions by modeling cutting a string. It demonstrates the concept of exponential decay and shows how the length of the string decreases exponentially with each cut. The video also explains...

In this video, the teacher explains how to count forward and backward from a three-digit number using number patterns. The lesson emphasizes the base 10 place value system and demonstrates how changing one place can affect the entire...

Students will learn about the different layers of the atmosphere. The changes in the atmosphere are explained using examples of contemporary environmental conditions brought about by human behavior. The oxygen cycle and the carbon cycle...

The examples in this video cover addition, subtraction, multiplication, and division, and highlight the importance of understanding the meaning of math vocabulary words. The teacher also emphasizes the concept of equivalent expressions...