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Now showing results 1051-1060 of 1957

This six-page, illustrated brochure answers the eight most frequently asked questions about black holes.

Audience: Informal education
Materials Cost: Free

This is an activity about the Sun, Earth and Moon and their movements during solar and lunar eclipses. Students observe and manipulate a styrofoam ball model and simulate the movement of these bodies during the different kinds of eclipses. Learners... (View More)

Keywords: NSTA2013
Audience: Elementary school

In this problem set, learners will calculate energy consumption in kilowatt-hours (kWh) and its associated cost in two scenarios. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide to Earth Science and Climate Change.

Keywords: Unit conversion
Audience: Middle school, High school
Materials Cost: Free

In this problem set, learners will use a graph of carbon dioxide levels in the atmosphere of the last 2000 years to answer questions related to increases over time and why scientists link this increase with human activity. Answer key is provided.... (View More)

This is an activity about the rotation of the Earth and its revolution around the Sun, as well as the rotation of the Moon and its revolution around the Earth. Outside, in chalk, learners will draw the Sun and Earth system complete with Earth's... (View More)

Keywords: NSTA2013
Audience: Elementary school

In this problem set, learners will create and use a differential equation of rate-of-change of atmospheric carbon dioxide. They will refer to the "Keeling Curve" graph and information on the sources and sinks of carbon on Earth to create the... (View More)

In this problem set, learners will analyze an image of Washington, DC, taken from orbit. They will determine scale and take measurements of several features in the image. A link to more images taken from the International Space Station and the... (View More)

This website has gathered images taken at different wavelengths by a variety of ground-based and space-borne observatories, including selected astronomical objects in the famous Messier catalog, as well as for some non-Messier objects. An online... (View More)

Audience: Informal education
Materials Cost: Free

In this experiment, students create a "lava lamp" - a beaker on a hotplate, and investigate buoyancy, convection and other fluid and thermodynamic properties using ink, water, vegetable oil and Alka-Seltzer tablets. The activity is from PUMAS -... (View More)

One particular type of domino game, sometimes called the All Fives Domino game, uses multiples of five in order to score points. It can be the basis for a number of games designed to develop conceptual understanding of multiples of numbers through... (View More)

Keywords: Dominoes