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This ChemMatters article provides a history of the study of ozone, a description of an experimental simulation called "The World Avoided," a brief introduction to the chemistry of ozone, an explanation of how ozone is measured, and the difference... (View More)

Audience: High school
Materials Cost: Free

This activity focuses on the relationship between science of looking for life and the tools, on vehicles such as the Mars Rover, that make it possible. Learners will create their own models of a Mars rover. They determine what tools would be... (View More)

Audience: Informal education

This is an activity designed to develop a working definition of life. Learners will conduct a simple experiment, looking for signs of life in three different "soil" samples. The experiment introduces children to the difficulty that scientists face... (View More)

Audience: Informal education

Using common items - a glass soft drink bottle, a straw, clay and food coloring - students assemble and calibrate a thermometer and then use it to measure outdoor temperatures. Students record and graph the temperature data and, additionally,... (View More)

Keywords: Temperature

This activity examines the relationship between carbon dioxide levels in the atmosphere and chlorophyll-a measurements in a watershed. Students analyze and compare two Excel plots-one showing carbon dioxide data values from the Keeling Curve and the... (View More)

Audience: High school
Materials Cost: Free

Students begin by determining dew point using an aluminum can, stirring rod, ice and thermometer. Air temperature is also measured and recorded. Students then use those two data in conjunction with the Lifting Condensation Level approximation, to... (View More)

Students are introduced to the Global Precipitation Measurement (GPM) satellite mission and its role in studying the water cycle. This webquest provides links to eight websites, allowing middle school students to explore the water cycle and its... (View More)

This activity focuses on how the search for life on Mars is portrayed in fiction and videos. Learners will consider depictions of Mars from science fiction books and video clips. As a group, children discuss what they know about Mars and compare... (View More)

Audience: Informal education

Using the 5E instructional model, students discover the value of using color maps to visualize data. The activity requires students to create a color map of the ozone hole from Dobson data values derived from the Aura satellite. Students then... (View More)

This paper model shows the orbit of Comet ISON (late 2013) with respect to the innermost planets of the solar system. After reading background information about comets - how they form and where they come from - students cut out and tape together the... (View More)

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