Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

This project examines whether humans can intuitively grasp numeric values greater than three.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This science fair project idea explores whether certain physical and mental traits run in the family.

This project compares the strength of one, two, and three-ply toilet paper.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

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

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

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

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

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.

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

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.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

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

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.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

Explore the relationship between personality traits and birth order effects.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.