In this informative video, we explore the differences between ocean water and lake water. We learn that ocean water is salt water, while lake water is referred to as fresh water. Both of these are examples of solutions, which are types...

Explore how substances travel in diffusion with the Amoeba Sisters! This video uses a real life example and mentions concentration gradients, passive transport, facilitated diffusion, and explains why diffusion is critical for all...

In this video, you will learn how to set the units and limits in AutoCAD 2D for creating an accurate ground floor plan. You will learn how to configure the drawing units, set the drawing limits, and adjust the grid and snap settings to...

These videos compliment the variety of water quality programs that occur in Acadia National Park. For teachers looking for good background information on water quality or those looking to attend the Floating Classroom field trip, this...

With the basic principles of homogeneous catalysis understood, let's move on to heterogeneous catalysis. This is where the catalyst and reagents are in different phases. Typically, the reagents are in the liquid or gas phase, flowing...