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.

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.

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

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.

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

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

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.

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

This science fair project idea explores the different properties of matter.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Science fair project that uses distillation to convert salt water into fresh water.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.