How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

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.

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.

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

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

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!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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.

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

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