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This resource contains instructions for building a seismometer to record movements of the Earth's crust using a cereal box, string, a paper cup, strips of paper, and weights, such as marbles or washers. The resource is part of the teacher's guide... (View More)

Students learn about the connections between organisms in the ocean in this kinesthetic activity. Each student is given a card, identifying an organism, its food source, and its predators. Holding the end of a ball of yarn firmly, the ball is passed... (View More)

Using a metric ruler and protractor, students use triangulation to track a meteor’s path and to predict where meteorites might be found, and calculate velocity using supplied distance and time data. The resource is part of the teacher's guide... (View More)

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

This is an activity about Earth's magnetosphere. Learners will use a magnet, simulating Earth's protective magnetosphere, and observe what occurs when iron filings, simulating the solar wind, blow past and encounter the magnet's field. This is the... (View More)

Audience: Elementary school

This is an activity about auroras. Learners will locate, study, and organize images from the IMAGE (Imager for Magnetopause-to-Aurora Global Exploration) satellite and search for a pattern in time of how auroras change. This is the eighteenth... (View More)

Audience: High school

Students work in teams to research and debate the following issues: protection of spotted owl habitat, ozone depletion, global warming, and acid rain. Each team is assigned a topic and given opposing statements by Al Gore and Rush Limbaugh as a... (View More)

Audience: High school
Materials Cost: Free per group of students

In this demonstration, a flashlight, mirror, water and a plastic shoebox are used to refract light into its component wavelengths, seen as colors of the visible spectrum. Students create a drawing of the sequence of colors in the rainbow. The... (View More)

This is an activity about magnetism and magnetic forces. Learners will explore objects to which a magnet is attracted or repelled, and investigate the attractive and repulsive forces of two like and two unlike magnetic poles. This is the first... (View More)

Audience: Elementary school

Students become familiar with strike-slip faults, normal faults, reverse faults and visualize these geological structures using cardboard or a plank of wood, a stack of books, protractor, and a spring scale. The resource is part of the teacher's... (View More)

In this pen and pencil activity, student teams use an inquiry approach to create their own model of the hydrological cycle. A calculator is needed for this activity. Teacher background information, assessment suggestions, and a scoring rubric are... (View More)