Other
Lunar Eclipses for Beginners
What is a lunar eclipse? What causes eclipses? How often do eclipses happen and when is the next lunar eclipse? You'll find the answers to these questions and more on this site on lunar eclipses.
Enchanted Learning
Enchanted Learning: Lunar Eclipse
A brief description of what a lunar eclipse is, the types of lunar eclipses, and the frequency and duration of lunar eclipses. Includes a diagram of a lunar eclipse along with a worksheet for students to label.
Cosmos 4 kids
Cosmos4 Kids: Systems: Eclipses
Find out about the differences between solar and lunar eclipses and what causes both events to occur.
NASA
Nasa: Eclipses
The periodicity and recurrance of eclipses is governed by the Saros cycle, a period of approximately 6,585.3 days (18 years 11 days 8 hours). It was known to the Chaldeans as a period when lunar eclipses seem to repeat themselves, but...
Cornell University
Cornell University: Astronomy: Eclipses
This site from the Astronomy Department of Cornell University provides brief introduction to both solar and lunar eclipses. Links are provided for pictures and charts of the eclipses, and this is a good site to check out on the subject.
Other
Canal Kids: Ciencias (Science for Portuguese Speakers)
Colorful, engagingly written information about astronomy and biology for Portuguese-speaking English language learners. Both subjects are broken down into a broad array of related subtopics. The biology section is particularly helpful...