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The Winter 2010 issue of The Earth Scientist includes a variety of educational resources, ranging from astronomy to glaciers. Check out the other publications and classroom materials in our online store.

Beginner Ulysses Word Search

When you find a word, click on the first (or last) letter and hold down the mouse button. Drag the cursor to the last (or first) letter and release.

Words can be horizontal or diagonal, forwards or backwards. So have fun and good hunting! Try our Intermediate or Advanced levels for variety...

Tell me more about these words that have to do with the Ulysses space mission: Ulysses, gas, star, sun, flare, hot, big, DUST

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Cool It! is the new card game from the Union of Concerned Scientists that teaches kids about the choices we have when it comes to climate change—and how policy and technology decisions made today will matter. Cool It! is available in our online store.

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Science, Evolution, and Creationism

How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more

Stars

The pinpoints of light that you see in the night sky are stars. Your ability to see the stars depends on how bright they are, as well as how close they are to Earth. Stars are giant balls of gas in space...more

1998--The Year in Review...

1998 was a very full year when it came to space exploration and history making. In the blast-from-the-past department, John Glenn received another go for a launch aboard Space Shuttle Discovery. After...more

Lagrange Points

We could learn a lot about the solar wind if we could put satellite in one place in space. Changes in the solar wind could be measured easily. If the satellite is between Earth and the Sun, it could be...more

The Carbon-Nitrogen-Oxygen Fusion Cycle

When the temperature of the core of a star reaches about 16 million kelvins (that's REALLY hot!), Helium is made through another fusion cycle. This cycle is named the Carbon-Nitrogen-Oxygen (CNO) cycle....more

The life cycle of the stars

A gas cloud, if big enough, starts to shrink. The density and temperature increase so nuclear fusion can start. This is when Hydrogen is turned into Helium. The "burning" of Hydrogen stops the gas cloud...more

Solar Cycle

The number of sunspots on the Sun is not constant. In addition to the obvious variation caused by the Sun's rotation (sunspots disappear from view and then re-appear), over time new sunspot groups form...more

The Right Way to View a Solar Eclipse

Solar eclipses are really neat to look at! But you have to be very careful. If you look right at the Sun, it will hurt your eyes! There are lots of ways to protect them. Take a black piece of paper and...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA