The purpose of this experiment was to determine which size of the sand particles used to make bricks would be the strongest.
http://www.selah.k12.wa.us/JHS/Brown/CARMELLASciProj.html#top
Reeko is here to help. Of course it's only big enough to hold a mouse (maybe two if the first one scrunches down real low) but hey, we're not old enough for a driver's license anyway...
http://www.spartechsoftware.com/reeko/Experiments/ExpHoverCraft.htm
The "resonant" or "natural" frequency of the goblet can be determined by "pinging" it and listening to the pitch of the "ringing"
http://www.wellesley.edu/Physics/Rberg/glassdemo.html
Construct a model of a magnetically levitated train
http://www.eskimo.com/~billb/maglev/maglev.html
The purpose of this experiment was to determine which material used in hot air balloons is the safest and toughest.
http://www.selah.k12.wa.us/SOAR/SciProj2000/HeatherK.html
The purpose of this experiment was to see what materials work the best in a sandbag for preventing a flood. Fine and coarse gravel, plant soil, and mulch are not usually put in sandbags to stop floods.
http://www.selah.k12.wa.us/SOAR/SciProj2000/AlexK.html#Purpose
The purpose of this experiment was to determine which windmill blade sizes, shapes, and angles were most efficient at producing an electrical current from a generator
http://www.selah.k12.wa.us/SOAR/SciProj2000/MikeE.html
wanted to develop a hands-on activity related to my field of interest -- civil engineering with an emphasis in pavement and materials.
http://www.engr.uconn.edu/~edpweb/myo/workshops/ChocolateAsphalt.htm
You can make a very big structure out of squares and cubes, but it'll be wiggly and will probably fall down. If you try to make a structure out of only triangles and pyramids,
http://www.exploratorium.edu/science_explorer/geo_gumdrops.html
Make a Super Speaker
http://www.exploratorium.edu/science_explorer/sparker.html