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This is a booklet containing 87 problem sets that involve a variety of math skills, including scale, geometry, graph analysis, fractions, unit conversions, scientific notation, simple algebra, and calculus. Each set of problems is contained on one... (View More)

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

In a mechanical demonstration of the Pythagorean theorem, this example provides a practical, hands-on method for deriving square roots using a carpenter's square. This resource is from PUMAS - Practical Uses of Math and Science - a collection of... (View More)

Audience: Middle school
Materials Cost: Free per student

This is an activity about utilizing proportional mathematics to determine the height of lunar features. Learners will use the length of shadows to calculate the height of some of the lunar features. This activity is Astronomy Activity 6 in a larger... (View More)

Audience: Middle school
Materials Cost: Free

In this activity, students learn about the changing configuration of the continents over geological time resulting from plate tectonics. Using a map pair, students measure the difference in distance between continents 94 million years ago and today,... (View More)

Audience: Middle school
Materials Cost: Free per student

In this data exploration activity, students will access, download and graph authentic ozone data for four different locations on Earth. The ozone levels at the four sites are compared and analyzed, and students investigate the cause of changes in... (View More)

Keywords: Dobson unit
Audience: Middle school, High school
Materials Cost: Free

This is an activity about the relative sizes of the Earth and the Moon and the distance between them. Learners will inflate a balloon to the approximate size of the moon in relation to a standard globe. They will then hypothesize as to the correct... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

This is an activity about the Venus Transit and how it helped astronomers determine the scale of the solar system. Learners will use measurement, ratios, and graphing to construct a model of the solar system and determine the relationship of each... (View More)

Audience: Middle school, Informal education
Materials Cost: Free

This is a lesson about magnetism and solar flares. Learners will evaluate real solar data and images in order to calculate the energy and magnetic strength of a solar flare moving away from the Sun as a coronal mass ejection. This is Activity 3 in... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is an activity about the declining strength of Earth's magnetic field. Learners will review a graph of magnetic field intensity and calculate the amount by which the field has changed its intensity in the last century, the rate of change of its... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is an activity about the movement, or "wandering," of our Earth's magnetic poles. The learner will explore this concept by measuring and calculating the distance the Earth's north magnetic pole has moved over the past 400 years and calculating... (View More)

Audience: Middle school, High school
Materials Cost: Free