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Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project teaches students about wilting and browning of salad greens.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This biodiversity project examines the biodiversity in your own backyard.