Use this online activity to explore how various substances respond to changes in temperature. Learn how to calibrate a thermometer.

Want to learn more about climate change, global warming, and greenhouse gases? This web page contains links to websites around the world concerned with providing information about these. Topics include climate shift, greenhouse effect,...

Scientists have warned that as CO2 levels in the atmosphere rise an increase in Earth's temperature by even two degrees could lead to catastrophic effects across the world. But how can such a tiny, measurable change in one factor lead to...

Pump gas molecules to a box and see what happens as the volume changes, add or remove heat, change gravity, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other....

This activity introduces students to the complex chemistry of estuarine water. Students investigate how chemical and physical water quality factors-pH, temperature, dissolved oxygen, and salinity-change and interact over varying time...