Earth Day is a worldwide celebration held annually on April 22nd. The purposes of Earth Day, the history of and the various activities held around the world are described. Activities and projects that can be done daily or year round are...

This resource allows users to test their knowledge of fractions. Express fractions, mixed fractions, decimals, percents and ratios in lowest terms.

Did you know that chefs must know how to use ratios in order to prepare meals? Learn the value of understanding how to write ratios, ratio proportionality, and ratios in lowest terms in this interactive lesson. Based on real world...

After investigating and monitoring paper use at school, students will develop a plan for reducing their own paper use.

Studying what kinds of lighting are used at school and what the routines are for using them will enable students to understand the challenges in reducing energy use in a large building. In the process, they will develop strategies for...

In this classroom activity, students discuss how people and pollution affect the environment. Then they demonstrate ways to recycle, reduce, and reuse.

The Wealth Preservation, site Savewealth.com provides a list of 31 tax breaks.

This MathPower site offers ten helpful hints for students who dread math class.

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...

Earthquake damage can be intensified in areas that are subject to soil liquefaction. For example, in these areas, soil movement may cause foundations to collapse, while structures in nearby areas built on more stable soil or bedrock may...

Explains what noise pollution is, sources, the effects of noise propagation, the impact on health and on human and animal behaviors, strategies for reducing the effects of noise, and standards in place for regulating noise pollution....

Explains what nickel is, ways it is used, how it is produced, how it gets into the environment and into our bodies, and the health effects of exposure to nickel. Also discusses how to reduce the risk of exposure. Has links to additional...

Learners investigate the effects of zero gravity. The resource has students measure the change in the area of calf muscle from before and after the flight to determine if muscle loss has occurred. Some topics included are muscle loss,...

U.S. foreign trade and global economic policies have changed direction dramatically during the more than two centuries that the United States has been a country. In the early days of the nation's history, government and business mostly...

Sip All Day, Get Decay is a comprehensive approach to eliminating tooth decay. Learn how you can stop the spread of cavities, gum disease and tooth decay simply by reducing the number of soft drinks you drink each day. Take the Soda Pop...

Students are introduced to the concept of light pollution by investigating the nature, sources and levels of light in their classroom environment. They learn about the adverse effects of artificial light and the resulting consequences on...

Through investigating the nature, sources and level of noise produced in their environment, students are introduced to the concept of noise pollution. They learn about the undesirable and disturbing effects of noise and the resulting...

This tutorial presents information about cardiac rehabilitation. Rehabilitation is necessary to maintain heart health. The heart, angina, exercise, prevention, obesity and other risk factors are covered.

The campaign of 1884 was filled with scandals and recriminations from both parties. Read about the conventions that selected presidential candidates and read about the campaigns and election.

This S.O.S. tutorial gives students a basic review of simple fractions. Follow the tutorial to refresh your skills involving simple fraction manipulations. Each section contains problems with links to the answers.

During this lesson, students will listen to a poem about a balanced diet and create a foldable. In each section of the foldable, students will include information about a different food group and will use this creation as a study guide.

Discusses different ways to heat and cool a home, and perform a variety of tasks, using renewable energy sources. Examples include window shades, a solar water heater, solar-powered toys, etc.

Looks at ocean acidification, what causes it, the impact of it, and possible ways to reduce it.

The EPA discusses the actions the government agencies are taking to reduce acid rain.