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Earth and space science  
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Now showing results 661-670 of 776

This problem-based learning module focuses on the increasing atmospheric concentration of carbon dioxide and its effects on the various spheres of the Earth system. More specifically, students will predict how these effects may impact the growth of... (View More)

In this interactive, online activity, students explore the nature and composition of comets by selecting and mixing different elements and compounds found in a comet's nucleus. Students then observe the results of their mixtures upon the appearance... (View More)

Audience: Middle school
Materials Cost: Free

This interactive, online activity allows students to explore myths, legends, and facts connected to the appearance of comets throughout history. Upon completion of this activity students will have read about comet facts, history, and discoveries.... (View More)

Keywords: Reading
Audience: Middle school
Materials Cost: Free

In this problem-based learning activity, teams of students will be asked to forecast the weather up to 48 hours in advance of an outdoor event that is special to them. It may be a local or distant event. The activity is part of Exploring the... (View More)

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

In this problem-based learning (PBL) module, students take on the role of Captain aboard the fictional good ship Low Bid, the first manned spacecraft to orbit Mars. Their challenge: to choose a safe, interesting landing spot, using old Viking images... (View More)

Keywords: Mars; Image analysis
Audience: Middle school, High school
Materials Cost: Free

This identification chart is a basic guide to observing contrails. It shows examples of the three types of contrails: short-lived, persistent, and persistent spreading. The chart is intended for use by students participating in the GLOBE program.... (View More)

Keywords: Clouds; Contrails
Audience: Elementary school, Middle school, High school
Materials Cost: Free

In this activity, students use satellite imagery to assess potential danger associated with selecting a new and safer location for the town of Villarrica, along with its corresponding communication and evacuation routes. Satellite imagery and a... (View More)

The purpose of this kinesthetic activity is for students to learn the relative motions of the Earth, Sun and Moon. Awareness of these different motions is needed to develop an understanding of the causes of the day/night cycle, the seasons and the... (View More)

This lithograph shows the break-off of a large iceberg from the Pine Island Glacier in West Antarctica. This event occurred between November 4th and 12th, 2001, and provides powerful evidence of rapid changes underway in this area of Antarctica. The... (View More)

Audience: Informal education
Materials Cost: Free

In this interactive, online activity, bias is explored when the students decide which of several sampling methods are biased. They see how bias affects the percentage of irregular galaxies determined to be in the sample from the Deep Field. After... (View More)

Audience: High school
Materials Cost: Free