Narrow Search

Your search found 2201 results.
Sort by:
Per page:

Now showing results 421-430 of 2201

This textbook chapter presents several biodiversity case studies, including a study of prairie soil, the 1930's Dustbowl, and the importance of soil conservation practices. The resource includes a link to current news articles and a teacher's guide.... (View More)

This is a lesson about the robotic arm on the International Space Station. Learners will build a robotic arm to grapple (grab onto) a spacecraft and then use it to grapple different classroom objects. This is technology activity 2 of 2 found in the... (View More)

Audience: Middle school

This is an activity about asteroids. Learners will shape mashed potatoes into their own odd-shaped asteroids. They can then bake them in the oven to turn them (more or less) asteroid color, and eat them for dinner.

In this self-paced tutorial, learners examine data to determine the relative contribution of what we call natural climate cycles and that of human-caused greenhouse gases to contemporary climate change. Changes in the Earth-Sun geometry over time... (View More)

In this problem-based data analysis activity, students assume the role of an outdoor sports event planner and use air quality data to make an informed decision about the best times of the year to plan your events. Students use data maps and guiding... (View More)

Keywords: Carbon monoxide
Audience: Elementary school
Materials Cost: Free per student

This series of visual presentations illustrates common physics principles across vastly different scales, using human-scale photographs, earth science and astrophysics imagery. The products look at such topics as shadows, wind, bow waves and... (View More)

Audience: Informal education
Materials Cost: Free

This is an activity about keeping astronauts safe from debris in space. Learners will investigate the relationship between mass, speed, velocity, and kinetic energy in order to select the best material to be used on a space suit. They will apply an... (View More)

In this simulation activity, students experiment with a population of M&M candies or paper dot "beetles" to test how well each color is adapted to survive on a field of colorful wrapping paper or fabric. Students act as predators and see that... (View More)

This self-paced tutorial investigates evidence for contemporary climate change by examining multi-year weather, statistical and anecdotal records obtained from several U.S. localities. Learners plot and identify trends in regional weather data,... (View More)

In this problem-based learning activity, students assume roles as members of the Department of Energy Efficiency and Renewable Energy (EERE). Your major area of concern is locating areas best for collecting solar power. You will need to evaluate... (View More)