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Now showing results 31-40 of 187

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 is an activity about forecasting space weather. Learners will use real-time data from NASA's Solar Dynamics Observatory, or SDO, to identify a variety of solar features and active regions of the Sun, and then will use these observations to... (View More)

This textbook chapter outlines the historical development of the Theory of Natural Selection, presenting classic evidence including Darwin's study of finch beak variation in the Galapagos Islands and Kettlewell’s investigation of the pepper moth... (View More)

Keywords: Adaptation; Evolution
Audience: High school
Materials Cost: Free

Students examine a text discussing climate change and identify tools of argumentation: evidence, qualifiers, claims and support. A student worksheet supports the activity. This resource is supported by Chapter 7, What is the Controversy About?, in... (View More)

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