Looks like you are using an old version of Internet Explorer - Please update your browser
These lessons are geared for younger students. Many lessons will, however, include activities for the older student.
These lessons are geared for younger students. Many lessons will, however, include activities for the older student. Parents/teachers will easily find the answers to questions in the text, and should prepare themselves by reading the stated pages prior to having the student read the weekly assignment. If a child is not able to read yet, parents may wish to read the text to the student.
Note: The explanation given in the book about nuclear fusion as a source of energy for the Sun is out of date. Recent results indicate that nuclear fusion is, in fact, a primary source of energy for the Sun.
NOTE: Parents/teachers may wish to read these articles and summarize them for younger students.
Learn more about the wonders of the solar system through the eyes of the Hubble Telescope with the video series featured at the right.
In November, people in Europe and North America will be able to see the Leonid meteor storm. Find out more here.