Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Find out whether matching resonant frequencies can cause objects to shatter.

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.

This science fair project investigates why the number of visible stars changes from place to place.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Find out whether matte or shiny nail polish lasts longer.

This experiment will explore whether adding different substances to a gel affects its strength.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

This science fair project idea investigates food preference of birds.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

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 social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

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

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

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.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.