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In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

In this science fair project, students create their own miniature salt flats at home.

In this design challenge, your child will make a bottle rocket using typical household items.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

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

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Construct and experiment with a periscope using reflected light rays to gather an image.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.