Friday, March 27, 2015
Thursday, March 19, 2015
Sunday, March 15, 2015
Another Crop of Marble Mazes
Gravity + Friction +  Found Objects = Fun for First Graders and Grown-Ups
| What are the blue thingies for? Foam mats make more friction to slow the marble and make more fun. | 
| Kids glue dot pieces temporarily... | 
| Then they test their mazes with a marble. | 
| And wait patiently for adults to hot glue obstacles in place. | 
| Don't you love the use of old puzzle pieces as obstacles? | 
| A grown-up takes time out to play. | 
| Thanks for the help! | 
Wednesday, March 11, 2015
Tree Stewards Readying Tree Pits for Spring
Fourth Graders Are Learning About Energy
They are using found materials to make wind-ups that use "elastic" energy.
| Students need a long hallway to test their wind-ups. | 
| Problems and Solutions Help Students Trouble Shoot | 
| Trouble shooting led to success. | 
| Trying to explain how the energy transfers from the hidden rubberband to the wheels. | 
| Winding up for another test. | 
| Nneka is helping with some minor adjustments. | 
| Next: Using K'Nex to Build Working Models of Wind and Water Powered Grist Mill and Water Lifter | 
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