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In this textbook chapter, students examine the data from Mauna Loa to see that the concentration of carbon dioxide in the atmosphere is increasing. The seasonal signal observed in the data is explained by the growth cycle of plants in the Northern... (View More)

Audience: High school
Materials Cost: Free

In this textbook chapter, scientists studying the concentration of becomes CO² in the atmosphere are profiled. The techniques for measuring and recording carbon dioxide concentrations at the Mauna Loa Observatory are described. A link to a video... (View More)

Audience: High school
Materials Cost: Free

In this activity, users download and graph modeled climate data to explore variability in climate change. Most people know that climate changes are predicted over the next hundred years, but they may not be aware that these changes are likely to... (View More)

After researching information about the Sun, learners will discuss and share their expertise on related topics such as sunspots, the Earth's magnetosphere, and aurorae. This activity is a follow-on to the lesson titled "Understanding the Sun" in the... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

This is a hands-on lab activity about the water cycle, specifically evaporation and condensation. Using materials such as clay, ice and a lamp, learners will observe the relationship between temperature and condensation and temperature and... (View More)

This is a hands-on lab activity about evaporation. Learners will conduct experiments to observe the process of evaporation. They will then describe the process of evaporation, and the general water cycle, through discussion and pictures. Background... (View More)

Keywords: Water cycle

This is a hands-on lab activity about the chemical composition and conductivity of water. Working in groups, learners will: conduct an experiment involving the process of electrolysis, prepare an experiment to better understand the process of ion... (View More)

Keywords: Electrolytes; Salinity
Audience: High school
Materials Cost: $1 - $5 per group of students

This background chapter reviews the basic principles of meteorology that educators need to guide inquiry activities in the classroom. Topics include structure of the atmosphere, Coriolis effect, water cycle, greenhouse effect, cyclones,... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

In this activity, student teams design small-scale physical models of hot and cold planets, (Venus and Mars), and learn that small scale models allow researchers to determine how much larger systems function. There is both a team challenge and... (View More)

This is an activity about the magnetic fields of the Sun and Earth, and the interplanetary magnetic field, or IMF. Learners will engage in a question and answer dialogue, make connections using bar magnet examples and overhead transparencies, and... (View More)

Audience: Middle school
Materials Cost: $1 - $5 per group of students