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Earth processes  
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In this activity, students investigate the interacting parts of the Earth system by observing changes in evaporation rate in four small aquariums with different initial conditions. The demonstration requires 4 small aquariums, soil, plants, water,... (View More)

In this paper and pencil exercise, students create graphs that describe the effect of a series of experiments using Daisy World, an energy balance model, that can be used to demonstrate concepts of equilibrium, homeostatis, and positive and negative... (View More)

The effects of volcanoes on both the environment and people are the focus of this investigation. Students are introduced to the term "buffer" and are tasked with creating a possible buffer zone around Mount St. Helens. Students begin by assigning 32... (View More)

Satellite images of Mercury and Mars are used to illustrate craters and generate a discussion about their cause. After comparing those images with one of Earth, students explore the reason for the lack of visible craters on our planet. The abundance... (View More)

Audience: Elementary school
Materials Cost: 1 cent - $1 per student

Multiple activities illustrate the concept of changes in bodies of water over time. Emphasis is placed on the use of remote sensing to monitor changes in water bodies that are due to climate change, erosion, drought, human intervention and natural... (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)

This is an activity about identifying and comparing the Earth’s seasons. Learners will write paragraphs depicting scenes or events that have recognizable season-related elements, without revealing the intended name. The group will then play a game... (View More)

This is an activity about the planet Mars. Learners will create cratered surface models illustrating different lengths of time. Then, they will compare their models with three different surface images of Mars, placing these images in order from... (View More)

In this activity, learners will investigate and try to explain various lunar anomalies. They will present hypotheses (both written and oral) and then debate the merits of each hypothesis, with no right or wrong answers. This activity is in Unit 2 of... (View More)

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

Students critically interpret graphical data and evaluate and discuss the difficulties inherent in interpreting and forecasting long and short term trends in this introductory climate change investigation. Graphs of data needed for this exercise are... (View More)

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