Free Science Fair Projects for 1st Grade in All Categories.

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

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

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