Filters: Your search found 39 results.
Topics/Subjects:
Ocean and water  
Learning Time:
45 to 60 minutes  
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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

The total amount of water on Earth, the places in which it is found and the percentages of fresh vs. salt are examined in this lesson. A short demonstration allows students to visualize the percentage differences and a coloring exercise illustrates... (View More)

In this activity, students will watch a short video on the Global Precipitation Measurement (GPM) mission, learn about the parts of the satellite, and then construct their own edible model of GPM. This lesson uses the 5E instructional model and is... (View More)

Students will design, build and then test a rain gauge to measure precipitation. By sharing their results, they will recognize the need for standardization and precision in scientific tools. All background information, student worksheets and... (View More)

After making observations of their natural surroundings, students uncover the intricate relationships between the atmosphere, biosphere, geosphere and hydrosphere. This introductory lesson uses the 5E instructional model. All background information,... (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 lesson was developed to give participants an understanding of Earth's water cycle. In this one-hour long activity, students participate in a webquest to learn about the water cycle, and then build a mini-model of the water cycle to observe how... (View More)

Water is essential to Earth's living system, the biosphere. In this lesson, students determine the types of living things within an outdoor study site, use a taxonomic key to determine the predominant land cover type of their site, then predict the... (View More)

In this activity, participants learn about the hydrosphere by making observations and taking measurements. They will go outside and use scientific equipment to investigate temperature, pH and transparency of a body of water. They will use this... (View More)

This activity was developed to get students thinking about the many ways that people use freshwater and how we can conserve this precious and fundamental natural resource. Students will watch a short documentary describing issues related to clean... (View More)

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