Water towers....ready for testing!
Here we go.....
Need more water...the tower is still standing....
Not any more...it did hold a lot of water!
Hooray...tower is still standing!
Why some of the tower designs were more sturdy than others
Rube Goldberg project...getting ready
Test it again....will the mouse trap trip this time???
Burst this balloon - how difficult can we make it?
Building the Archimedes screw!
Testing the Archimedes screw.....the water is moving uphill!
Setting the mold.
Getting ready to get the mold out.
Is it ready?
Future Engineers at the Rodale Farm.
Digging in... to test the moisture level.
Let me try it too!
Look at what good composting can grow!!
Put my hand in the hot mulch.....hmmm...I am not so sure!
I will try it.....this is cool!
I sure did learn a lot about composting today!