The Free Science Fair
Projects Network

Offer is valid through 09/11/10. Discount applies to merchandise only, excludes tax and shipping amounts. At this time, live, preserved, PasPort and Vernier products are excluded from discount. These specials may not be combined with any other offers.

Heat and Evaporation For grades 2 thru 7 Category: Earth Science Hypothesis: The light bulb with the highest wattage will cause water to evaporate the fastest. Primary Materials Used: Light Bulbs, Light Sockets, Cardboard Boxes, Duct Tape, Camera Click Here for more details about the "Heat and Evaporation" science fair project.

The Effect of Slope Angle on the Amount of Eroded Material For grades 4 thru 8 Category: Earth Science Hypothesis: The steeper the slope angle the more material will be eroded. Primary Materials Used: Erosion Box, Soil, Triple Beam Balance, Timer, Bucket, Drainer, Standard Lego Blocks, Scientific Calculator, Water, Pitchers, Coffee Filters Click Here for more details about the "The Effect of Slope Angle on the Amount of Eroded Material" science fair project.