http://www.iun.edu/~cpanhd/C101webnotes/chemical reactions/combustion.html
This site details information and balanced equations for different types of combustion reactions.

http://www.nasaexplores.com/show_58_teacher_st.php?id=02122392447
This graphing activity integrates science and math in a space science perspective as students learn more about yearly sunspot occurrences.

http://www.nasaexplores.com/show_58_teacher_st.php?id=030103102239
In this integrated math and physical science activity students collect data and graph the relationship between pressure and temperature. They also practice converting temperatures between the Celsius and Fahrenheit scales.

http://www.nasa.gov/worldbook/space_exploration_worldbook.html
This NASA Worldbook site contains excellent information on the history of space exploration and the development of rockets. A living in space section details the dangers of space and issues concerning breathing, eating, drinking, eliminating body wastes, bathing, sleeping, and working in space.

http://history.nasa.gov/EP-107/contents.htm
This is an excellent website about the history of Skylab, the first U.S. launched space station. The section describing the Skylab research programs offers valuable insight to the kinds of experiments performed in space.

http://science.ksc.nasa.gov/shuttle/technology/sts-newsref/sts-caws.html
This leads to a great document about space exploration. This particular page describes the caution and warning systems found aboard space shuttles.

http://spaceresearch.nasa.gov/sts-107/107_mist.pdf
This NASA research report explains the ability to extinguish fires in microgravity using water mist.