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

Find out which type of sponge holds the most water.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

This surprisingly good glue recipe comes from common kitchen items.

This science fair project will help students learn about non-vascular plants, such as mosses.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.