October 10 is Powers of Ten Day!  This year is a triple play - 10/10/10!

For great ideas for the celebration, visit these websites:

"The" Powers of 10 Website

Kees Boeke's book, COSMIC VIEW: The Universe in 40 Jumps (1957).

Ray and Charles Eames film, Powers of Ten

Perspectives:  Powers of 10  - a lab activity

Powers of 10 Day Activities

Powers of 10 practice worksheets