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This article discusses an example of a practical use of the square root of 2 by explaining how this irrational number figures in printing two pages on one side of A series-sized paper. This resource is from PUMAS - Practical Uses of Math and Science... (View More)

Audience: High school
Materials Cost: Free per student

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

This interactive, online activity provides a method for generating waves using a computer. Students can select the energy they want the waves to have, observe how the waves appear on the screen, and then measure the frequency and wavelength of the... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, online activity introduces the idea that everything emits electromagnetic radiation, including students. Students discover how the light emitted from an object (a robot) changes as the object is heated. A graph shows the amount of... (View More)

Keywords: light and color
Audience: Middle school, High school
Materials Cost: Free

This interactive, online module provides an introduction to the concept of a black hole. Students explore the components of a black hole by using a diagram of an accretion disk, an event horizon, and jets of hot gas. Students may complete this... (View More)

Audience: Middle school, High school
Materials Cost: Free

Students team up to play a weather trivia game that quizzes their knowledge about a wide variety of topics related to weather: effects, science, technology and statistics. An introductory article explains how weather satellites, teamed with... (View More)

Keywords: Hurricanes
Audience: Middle school, Informal education
Materials Cost: Free

In this problem-based learning (PBL) activity, students take on the role of a student research scientist and explore the role of solar energy in determining climate, focusing on the urban heat island effect. Students conduct research and compare... (View More)