This science fair project idea explores substances that cause a bubble to last longer.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

How powerful is the reaction between baking soda and vinegar? Find out here!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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.

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