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.

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

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.

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

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.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

In this project, several food items are tested to determine whether they contain starch.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea investigates the difference in reaction times between boys and girls.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

In this fun experiment, we'll find out how color affects heat absorption!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

This science project idea examines the effect of microwaving on various objects.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea explores substances that cause a bubble to last longer.