In 150 BC, Seleucus of Seleucia theorized that the moon causes the tides. Scholars learn about what causes tides by studying the interactions of gravity between the sun, moon, and Earth. They use technology to formalize otherwise...

The moon takes just over 27 days to orbit around Earth. Young scientists position themselves as the earth as they rotate around the sun and hold the moon. This allows them to observe the patterns and phases of the moon.

Get an up-close-and personal look at the sun from the safety of your classroom with this fun science application. Offering numerous activities, images, and videos, the resource supports children of all ages as they learn about the sun.

A timelapse video hooks learners' attention to the phases of the moon. After discussing their observations, pupils use the Moon Giant website to view the moon on their birthday and complete a bar graph. The class creates an anchor chart...

How did the 2017 eclipse look in Los Angeles—or Chicago? Experience both views, plus many more, using a lesson from PBS's Space series for middle schoolers. Scholars follow the movements of the sun, moon, and Earth during the most recent...

Low tides, high tides, spring tides, neap tides, diurnal tides, semidiurnal tides, mixed tides ... just how many types of tides are there? The 10th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO)...

Go study the universe. Pupils learn seven aspects about astronomy and astronomers. They begin to learn about constellations; distance and motion between objects; gravity; the electromagnetic spectrum; dark matter and energy; and teams of...