A recent report stated that in the next decade or so, nearly half of the world's population will live in countries whose water supplies are over-stressed. In parts of Africa, northern China, southern Asia, and the...
This educator's guide with activities promotes problem solving, communication skills and teamwork. Topics include lunar geology and regolith, distance to the moon, Apollo landing sites, and life support systems. Some of...
In this lesson, students make daily observations of temperature, sky conditions, wind speed and direction, and precipitation type and amount, and record their observations in a log book. They will also compare their...
The development of our solar system can be viewed as a continuous and complicated process that started about 4.6 billion years ago. As scientists continue to study the solar system, and Earth in particular, their...
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