public marks

PUBLIC MARKS from knann with tags gr3 & astronomy

May 2008

Planet Size Comparison

What a great tool to see how the sun and planets compare in size. Try it, it's easy: In the first box choose "Sun". In the second box, choose "Mercury". Next, click the word "compare" located between the two boxes. Try different variations.

September 2007

The Space Place

Come on in and check out our games, animations, projects, and fun facts about Earth, space and technology.

Planet Image Cards

Perfect images for the Size and Distance Activity located here: