In this video, we will contrast the biological/hormonal responses to low and high blood calcium and determine the effects on bone mineral density.

Gravity and erosion are major factors in changing the shape of the surface of Earth. The different types of erosion, and the major types of mass movements caused by gravity are discussed in this video. Other terminology includes:...

We find frost often on a clear cold morning when wind is calm, and the temperature is near or below freezing. Frost is ice crystals that form from moisture in air, when the relative humidity rises to 100%. Often seen on cars and grass,...

Lesson on Pseudogout. In this lesson, you will learn what are some of the causes of pseudogout, including the risk factors and associated conditions. Furthermore, you will also learn about the cause and pathophysiology of pseudogout....

The Sun, Water Cycle, & Climate shows us how the sun produces heat to drive the water cycle. It's made clear that the water cycle continues in the absence of sunlight or heat. We learn how the two components of climate- temperature and...

In this video, we discuss the following: <br/>
[1] functions of osteoblasts and<br/> osteocytes
[2] orga<br/>nization of the osteon
[3] appear<br/>ance of osteocytes by Scanning EM

This video explains how land is formed and changed over billions of years. It explores the processes of deposition, where particles are dropped by wind or water, and the formation of land through the cooling of lava. It highlights the...

North America's geology and topography is a fascinating and beautiful story. This video captures footage from throughout the continent to tell this captivating story. Major geological events such as the formation of the Appalachian and...

In this video students will learn about unconformities and how they help geologists to discover episodes of volcanism, uplift, erosion and deposition that provide evidence for plate tectonics during Earth's history. Through video and...

Gravity and erosion are major factors in changing the shape of the surface of Earth. The different types of erosion, and the major types of mass movements caused by gravity are discussed in this video. Other terminology includes:...

Using footage of dust and sand storms, this program demonstrates that wind erosion moves small particles and is prevalent in dry areas where water does not hold surface particles together. Students will learn that once the particles are...

This video explains the natural processes of weathering, erosion, and deposition and how they have shaped the Earth's landscape over billions of years. It discusses how rocks are broken down into smaller pieces by agents such as rain,...

This video program will help students to understand that matter is composed of atoms that are made up of subatomic particles that interact with each other. Viewers will learn that matter can exists as a solid, as a liquid, a gas or as a...

The Sun, Water Cycle, & Climate shows us how the sun produces heat to drive the water cycle. It's made clear that the water cycle continues in the absence of sunlight or heat. We learn how the two components of climate- temperature and...

The Sun, Water Cycle, & Climate shows us how the sun produces heat to drive the water cycle. It's made clear that the water cycle continues in the absence of sunlight or heat. We learn how the two components of climate- temperature and...

The Sun, Water Cycle, & Climate shows us how the sun produces heat to drive the water cycle. It's made clear that the water cycle continues in the absence of sunlight or heat. We learn how the two components of climate- temperature and...

The Sun, Water Cycle, & Climate shows us how the sun produces heat to drive the water cycle. It's made clear that the water cycle continues in the absence of sunlight or heat. We learn how the two components of climate- temperature and...