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What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Discover whether a metal will expand under hot water.

This science fair project idea examines the reason boats are shaped and engineered.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Find out which kind of bubble wrap fares best when put in impact.