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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.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

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, young children discover what happens when two fluids that have different densities get together.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

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

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

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

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

This science fair project idea investigates how color affects temperature.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

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

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

This science fair project idea investigates how the shape of an object affects drag.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Cleaning can be a chore, but not with this sudsy experiment!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.