Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

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

This science fair project idea explores whether the color of surroundings affects human mood.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

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

Make a backbone model to explore human anatomy and life science.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

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

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Examine whether males or females are more likely to have a higher center of gravity.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This fascinating science fair project explores eye color genotypes.