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

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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.

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

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science fair project idea explores whether talking to a plant will help it grow.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this science fair project you will make a model of a cell membrane using very simple material.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This science fair project idea investigates the hardness property of minerals.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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.