This science fair project idea determines which method of hand cleansing is the most effective.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

In this science fair project, students test how objects float and sink in liquids of different densities.

This science fair project demonstrates the "power of conformity".

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

The goal of this project is to create an exciting topographical map out of dough.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Explore the relationship between personality traits and birth order effects.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

Help your child add some flair to the family garden with pencil pinwheels!

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.