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Topics/Subjects:
Life sciences  
The nature of science  
Educational Level:
Middle school  
Learning Time:
2 to 4 hours  
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Now showing results 21-30 of 33

In this hands-on activity, students conduct bottle experiments to learn about the conditions that best facilitate the decomposition of organic material in soil. In the lab, they observe changes in the decomposition of vegetable scraps by varying the... (View More)

This activity guides students through sampling, identification and counting of macroinvertebrates sampled in a GLOBE hydrology study site, and understand how the taxa composition found in the sample can be an indicator of water quality and ecosystem... (View More)

Learners will look for the relationship between atmospheric mass and other characteristics of a planet. When the results are not completely conclusive, the students explore possible causes of discrepancies in the data. They conclude that gravity,... (View More)

Keywords: habitable zone
Audience: Middle school

In this online, interactive module, students learn how enhanced Earth remote-sensing capabilities are used by dozens of satellites that are continuously collecting data from multiple vantage points. This allows scientists from different countries to... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this fieldwork activity, students learn that when setting up a research design a system's boundaries are based on the question(s) a scientist wants to answer. Students ground truth, or validate, a pixel within a homogeneous area of a satellite... (View More)

Deforestation in Brazil is presented as an example of major environmental changes occurring worldwide. By comparing Landsat images of Rondônia, Brazil from 1975 and 1992, students will analyze the environmental impacts as well as the intended and... (View More)

This investigation introduces students to the phenomena of urban heat islands, areas of higher then normal temperatures associated with populated areas. Using Atlanta, Ga., as the study site, students begin by analyzing the population growth and... (View More)

Learners will research and document some of the requirements for mounting an expedition to an asteroid; actively explore potential resources available to space travelers through research, assessment, team cooperation, and exploration simulations;... (View More)

This is a lesson about the effects of large impacts. Learners will use critical thinking skills to evaluate and apply data from a narrative to a scientific selection process, will demonstrate or visualize simulations of some of the effects of a huge... (View More)

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

This is a lesson about impact craters; the relationships between crater size, projectile size and projectile velocity; and the transfer of energy in the cratering process. Learners will create plaster of Paris or layered dry impact craters and... (View More)