This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.