This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.

In this experiment we use Scotch Guard to make sand that resists water.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

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.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

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

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This project determines how much the rebound rates of tennis balls change after ten games.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Get a fun science fair project idea for high school students on the basic and current information on the process of propulsion.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea compares the cuteness reaction between genders.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Learn how different types of soil affect how animal tracks form in this experiment!

Help your child make a beautiful homemade sandcastle that will last!

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Help your child celebrate the summer and the sun by making a sandy seascape.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Here's a simple science activity that will help your child better understand how wells bring us water.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

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