Go to this link at NASA

Go to this link at NASA

http://imagine.gsfc.nasa.gov/docs/science/science.html

Choose 1 topic from each category
(The Basics, Cosmic Objects, Cosmic Questions, The Search for Answers)
for a total of 4
to Read about, Take the Quiz on, and Do the TRY This.

When you are done, post the following on your blog:
For each of the 4 categories:
1. Read about: Describe what you learned.
2. Take the Quiz: Give your score on the 2 quizzes.
3. TRY This: Explain what you did.