Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Try this chemistry experiment with your curious kid and get some "shocking" results!

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.

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.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

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.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Learn the anatomical and physiological differences between central and peripheral visual systems.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.