Evaluate low level ozone pollution in your own state and compare it with other areas to see if you should be concerned about the air you are breathing.

Find out what sources are contributing to the particulate pollution in your state. An interactive bar graph shows the major types of air pollution and their sources. This particular activity focuses on two types of particulates.

In this activity, you will monitor the levels of ozone in Trenton, New Jersey for several days and make final decisions about the influence of weather on ground level ozone.

In this lesson students will build and learn how to use three weather. They will use these instruments to collect weather data over a period of two weeks.

Using a variety of science topics, these projects link your class with classes around the world in data collection and analysis. There are projects recommended for all grade levels. Begin dates and end dates are listed to help in planning for the school year.

Starting with the book Big Smelly Bear by Britta Teckentrup, students use the engineering design process to design a solution to the bear's problem of not being able to scratch an itchy back.

Over a period of two weeks students will use their class-made instruments to measure and record weather data. Students will also compare their data to online weather data. The final activity involves analyzing the collected data to look for patterns.

How much water do you use everyday? Find out in this engaging investigation, where you compare your water usage with your classmates and other people around the world. An exploration filled with lots of math and science that students are sure to enjoy.

By testing your local water quality, you will be able to compare your results with students around the world. Register your class, and follow the project instructions. Additional teacher resources, references, and Ask-an-Expert sources are availible

Human-Genetics: A Worldwide Search for the Dominant Trait allows you to collect data and share your results with students around the world. Register your class, complete the student survey, participate in discussion boards, and interact with experts online. Check the website for spring and fall registration deadlines.

This activity has students access USGS earthquake information to plot the their locations on a world map. Doing this will help students discover for themselves the boundaries of tectonic plates.

In this collection of nine lessons, students use data from the U.S. Census to create population growth models and to examine the impact of changes in population factors such as age, demographic, etc.

How does particulate pollution affect people with breathing disorders? Real time air quality data is provided for you to assess your state. Using this data you can determine who might be at risk in your particular area.

This lesson is divided up into three activities, two of which take place outside. By the end of the lesson students will be able to describe weather conditions on a given day and some of the factors that contribute to them. Students will identify weather factors that can be measured and the reasons for monitoring weather.