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.

Battery Power For grades 1 thru 4 Category: Chemistry Hypothesis: More expensive batteries will last longer. Duracell will last the longest. Primary Materials Used: Wires, Stop Watch, Light Bulbs, Several Different Kinds of Batteries, Battery Holder, Optional: High Speed Motor Fans, Jumper Test Alligator Clips Click Here for more details about the "Battery Power" science fair project.

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.

How To Make An Egg Float For grades K thru 3 Category: Physics Hypothesis: Adding four teaspoons of salt to a cup of water will increase the water's density so the egg will float. Primary Materials Used: Measuring Cup, Egg, Salt, Water, Teaspoon Click Here for more details about the "How To Make An Egg Float" science fair project.

The Effect of Salt on the Boiling Temperature of Water For grades 1 thru 5 Category: Chemistry Hypothesis: Adding table salt to water will cause the water to boil at a higher temperature. Primary Materials Used: Table Salt, Distilled Water, 2 Quart Cooking Pot, Measuring Cup, Measuring Spoons, Thermometer Click Here for more details about the "The Effect of Salt on the Boiling Temperature of Water" science fair project.