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

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

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

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!

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

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

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

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this middle school activity, your child will learn how to press plants and create her very own herbarium, or plant library! Here's how:

Design an improvement for an existing website. Program improved feature, get website owner to implemement new design.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

Find out whether matte or shiny nail polish lasts longer.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Introduce your child to science with something they see everyday--their shadow!

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?