This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This biodiversity project examines the biodiversity in your own backyard.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

Cleaning can be a chore, but not with this sudsy experiment!

Word color association is just a fancy way to talk about the way we connect colors with words.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.