Do different types of oil mix or stack? Find out in this science fair project idea!

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

The project determines which type of birds prefer which type of birdseed.

This science fair project idea explores whether talking to a plant will help it grow.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

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

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

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project idea investigates if fats add to the flavor of food.

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

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Determine if gender affects the ability to identify different smells.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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.

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

In this project, different brands of microwave popcorn are tested and compared.

This science fair project idea compares biodiversity between drops of water.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this experiment we will be determining whether birds prefer certain colors of seed.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.