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In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

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.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

In this project students experiment with making music using only glasses of water.

Give your budding young observers a chance to discover simple machines at use in their own home.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Try this chemistry experiment with your curious kid and get some "shocking" results!