First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.