1. Marble Machine Challenge http://www.sciencebuddies.org/fluor-challenge?from=FECsdate

4. Cut along edge so folder has an even edge when closed Open folder up and fold from bottom to top to create a crease perpendicular to the natural crease, then cut along the new crease you made to create two halves.

6. Fold the pocket over then place the new foldable you created in the crease of the other half folder and tape along just the top edge, not along the pocket. Flip to one side and tape edge of new foldable to folder tape Take the piece you cut out earlier and overlay it on the bottom of the back page. Tape along the bottom and sides to create a pocket

7. Introducing… Name: ________________

8. Material Maximum Quantity Point Cost (each) 16 oz paper or plastic cups 10150 Popsicle sticks (approx. 4.5 inch or 11.5 cm) 5030 8.5x11 inch sheets of printer paper 2075 Piece of corrugated cardboard to use as a base, up to 2 ft by 2 ft 10 Roll of Scotch® tape 10 Bottle of craft glue 10 Write the Problem/Challenge in your own words ________________________________

9. Final Design Calculate your projected score Total score = 200 × (Correctly sorted spheres − incorrectly sorted spheres) − Material Points − (50 × Time in seconds) ____________________________________________________________________________________________________________________________________________

10. Project Cost Changes and Adjustments First Draft Steps in my Sorting Process SuppliesAmount NeededTotal Cost

11. Related Vocabulary Panning Screening Diameter Density Gravity Brainstorm a list of ways to sort objects Background Research Possible Solutions and designs http://tinyurl.com/coinsorting http://tinyurl.com/coinsorting Draw a picture and describe how the coin sorting machine works. What property does the machine use to sort into the coins? http://tinyurl.com/legosorter http://tinyurl.com/legosorter Draw a picture and describe how this marble sorter works. What property does the machine use to sort the marbles? http://tinyurl.com/MMsorter http://tinyurl.com/MMsorter Draw a picture and describe how this M&M sorting machine works. What property does the machine use to sort the M&Ms?