This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea demonstrates that plants give off water.

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

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea determines which method of hand cleansing is the most effective.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Here's a science activity to help your child investigate how seeds are designed to travel.

This science fair project idea explores how length affects the weight a bridge can hold.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science fair project teaches students about wilting and browning of salad greens.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.