Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

In this science fair project, students make their own rain gauge to measure rainfall.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Start your toy engines -- this is going to be a fast and friction-filled race!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.