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There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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.

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!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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 a bottom keel helps keep a boat from rocking back and forth.

In this activity your child will create their very own marble maze!

This science fair project idea demonstrates that plants give off water.

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.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This science fair project will help students learn about non-vascular plants, such as mosses.