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Topics/Subjects:
Algebra  
Problem solving  
Materials Cost:
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This math problem determines the areas of simple and complex planar figures using measurement of mass and proportional constructs. Materials are inexpensive or easily found (poster board, scissors, ruler, sharp pencil, right angle), but also... (View More)

This activity enables students to better understand the motion of the Sun and how we use it to measure time. Students create a "horizon calendar" at their school by carefully observing and recording the horizon and the Sun at sunset (or sunrise, for... (View More)

This is a lesson that uses the study of sunspots to show how a scientific theory develops and how current technology might be used to support it. Learners will use E.W. Maunder's theory regarding the correlation between the numbers of sunspots and... (View More)

This is a booklet containing 11 problem sets and 9 "Extra for Experts" challenges. Learners use provided textual information to determine the scale (e.g., kilometers per millimeter) for images of the lunar surface, Mars, planets, stars and galaxies... (View More)

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

This is an activity about observing the Sun. Learners will construct a pinhole projector to project an image of the Sun, observe and record the size of the projected image, and calculate the diameter of the Sun using the measurements and a known... (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

Water supply in the Southwestern United States depends on snow. Students discover its importance through analysis and evaluation of data, satellite images, space shuttle photos, and ground-based observations, and then apply their findings in a... (View More)

Keywords: Snowpack

Students confront the challenge of improving global agricultural production in order to feed increasingly larger populations. Students evaluate tables, maps, graphs, photos and satellite images detailing global population growth patterns and... (View More)

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