This expansive unit created by McCracken County Schools focuses on the properties of matter. Multiple lessons focus on the concept of scientific modeling of matter particles. Included in this unit are various activities to reach all...

This site provides the complete etext for Zane Grey's story, "Desert Gold."

This site provides the complete etext for O. Henry's story, "The Heart of the West."

This site provides the complete etext for Thomas Carlyle's "Heroes and Hero Worship."

This U.S. Geological Survey website offers one explanation of why the ocean is salty. Click Home to access the site in Spanish.

Learn about the importance of water quality and environmental influences that reduce it.

An article written by Stever Robbins discussing how to become a critical thinker. This is written from a business perspective but the ideas can easily be applied to education.

Imagine showing up to your first day of school and being greeted by an angry mob and the National Guard. Learn what happened to the "Little Rock Nine".

Read about photosynthesis, what light and dark reactions are, the structure of a leaf, the conditions needed for photosynthesis to occur, where and how photosynthesis takes place, and how root structure impacts on photosynthesis.

Covers the three main types of rocks, different weathering processes, erosion, and the rock cycle.

Learn all about clouds, how they form, the different types, and how they can be used to predict the weather.

Learn about the different stages of the Earth's water cycle, and about processes involving water, including runoff, infiltration, and the differences between hard and soft water.

Discusses food, why we need it, and the types of nutrients that food for humans must have.

Looks at the two categories of natural resources, what they are used for, their distribution around the world, threats to natural resources, recycling and composting, and conservation.

Discusses the emotional abuse of a child, the forms it can take, causes, symptoms to watch for in a child, the impact it has, ways to prevent it happening, and how to get help.

Explains the different types of heart disease, their causes, how they are diagnosed, heart surgery treatments, and ways to prevent heart disease.

The issue of obesity is addressed - what it is, the causes, the health and social problems it causes for the individual, types of fats in food, reduced fat and diet foods, how to prevent it, how to help someone with a weight problem, and...

Learn about milk and adult teeth, the types of teeth we have and their functions, the anatomy of a tooth, dental decay and tooth plaque, how to take care of your teeth, what dental braces do, what causes bad breath or halitosis, and why...

The resource provides an overview of secured credit obligations. Article 9 of the Uniform Commercial Code is also described.

Learn about the five things that all living things need to survive and why they are critical for both plants and animals.

Why is ozone important? Learn about the ozone layer in our atmosphere, how it is being depleted by human and natural events, the effects of a thinning ozone layer on humans and other living things, what is meant by the ozone hole, and...

Discusses the physical abuse of children, causes, symptoms to be on the alert for in a child, ways to prevent it happening, and how to get help.

Explains what HIV AIDS is, how it is contracted, how it is diagnosed, the signs and symptoms, treatment and prevention, and the stigma people face when their condition is revealed.

Sickle cell disease is an inherited blood disorder. Learn what it is and how it is passed on, what sickle cell crisis is and its cause, the signs and symptoms of sickle cell disease, how it is treated, tips for traveling if you have it,...