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This activity focuses on how the search for life on Mars is portrayed in fiction and videos. Learners will consider depictions of Mars from science fiction books and video clips. As a group, children discuss what they know about Mars and compare... (View More)

Audience: Informal education

This is an activity about how much atmospheric pressure is needed on Mars to maintain surface water and why the planet does not have surface water today. Learners will use a computer interactive to learn about Mars past and present before exploring... (View More)

Keywords: Triple Point; Climate

This is a set of three activities about how scientists study other worlds. Learners will explore and compare the features of Mars and Earth, discuss what the features suggest about the history of Mars, and create a model to help them understand how... (View More)

Audience: Informal education

Learners will record detailed observations of a simulated surface and core sample of Mars, analyze a simulated surface and core sample of Mars, compare and contrast an unknown foreign object with the surface and interior of Mars, and learn... (View More)

Audience: Middle school
Materials Cost: Free

This is a demonstration about the density of the planets. Learners will compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. They will then dunk the "planets" in water to highlight the fact... (View More)

Learners will model the gravitational fields of planets on a flexible surface. Children place and move balls of different sizes and densities on a plastic sheet to develop a mental picture of how the mass of an object influences how much effect it... (View More)

Keywords: Jupiter; Gravity

This is an activity about image comparison. Learners will analyze and compare images taken by the Solar Dynamics Observatory. They will match four magnetic solar images, or magnetograms, to their corresponding extreme ultraviolet, or EUV, light... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

This is an activity that compares the magnetic field of the Earth to the complex magnetic field of the Sun. Using images of the Earth and Sun that have magnets attached in appropriate orientations, learners will use a handheld magnetic field... (View More)

This is an activity about image comparison. Learners will analyze and compare two sets of images of the Sun taken by instruments on the Solar Dynamics Observatory spacecraft. With Set 1, they will observe the Sun in both a highly active and a... (View More)

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

This activity uses an episode of poor air quality over the Midwest and Eastern seaboard to engage students in an exploration of the collection, comparison, analysis and utilization of air quality data. With the aid of a camera, the EPA website and... (View More)

Audience: High school
Materials Cost: Free