The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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.