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

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.

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

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

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.

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

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

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.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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.

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.

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.

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

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

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

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

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.

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.

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

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

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

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

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

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

Learn about our cognitive capacity of attention and to learn about factors that influence attention.