This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Find out whether packaged seeds actually do expire in this new science fair project idea.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

This science fair project idea determines what household items are good conductors of electricity.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

This science fair project idea compares biodiversity between drops of water.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project idea investigates if fats add to the flavor of food.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!