In the summer of 1815, snow fell every month in New England. Was this related to the volcanic eruption of Tambora in Indonesia earlier in the year? Young scientists design their own experiments to research the long-term effect a volcanic...

Here is a fantastic, educational handout packed with information and facts not only about the planets in our solar system, but also regarding major moons and their surface features, dwarf planets, comets, and asteroids. 

Rising sea levels, strong storms, melting ice ... who or what is to blame? Scholars browse the website in preparation for a class discussion or debate about whether human activity is causing climate change. They gain a balanced...

In this first land plants worksheet, students read about the major events that allowed plants to evolve on Earth. Students read about the primary and secondary atmospheres, the formation of the ozone layer to protect from UV light and...

Educate scholars on pollution—air, water, and land—with a series of lessons that begin with a thorough explanation of each type. Learners then take part in three activities to reinforce the importance of reducing pollution. They...

Science rocks! Explore three types of rocks and the rock cycle with an igneous rocks experiment. Pupils discuss textures, composition, and learn how melts are formed from the Earth's crust. They weigh materials using a scientific scale...

Use this website to discover how the Earth acts as a greenhouse due to the production of greenhouse gases. Find out what ozone it, where it's found, and even view a video showing the different concentrations of ozone in the atmosphere.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about global efforts to reduce greenhouse gases in the atmosphere. Includes a few questions to check for understanding.

This article has a brief summary of the causes and possible consequences of the greenhouse effect and global warming. In particular, the effects of the potential climate change in California are highlighted.

Find out how the production of natural gas and oil can result in the release of hydrocarbons and other emissions into the air.

Provides a great introduction to Boyle's Law as well as a link to a more detailed explanation if that's what you're looking for. Gives a real life example that is very helpful in comprehending the law.

Defines photoionization analytically, describing it in terms of formulas. Contains links to other sites related to atmospheric/ionospheric physics.

Fun and interesting information about Nitrogen, the most abundant gas in the atmosphere. Learn about its characteristics, uses, where it is found, and discovery.