Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

The project investigates how water and movement affects erosion.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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?

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

The objective of this science fair project is to investigate salt water density.