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The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

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

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

This science fair project idea investigates the difference in reaction times between boys and girls.

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.