Building Big - Visit the "Tunnel Challenge" to see if you can find the best way to create a tunnel through a mountain, under a city, and under water!
Shh! It's a Secret - Complete the code worksheet. #1-3 - Make your own. #4 - Explain in your own words. #5 Make your own using a thumbtack, pin, or the end of a sharp pencil. Use the worksheet itself. We will trade the code worksheets to see if a partner can solve them. Want to rewatch "Kryptos"? You can find it on Edmodo or by searching Google for "pbs kryptos."