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This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair project determines the quality of a given product.

This science fair project examines whether ocean water can be made safe to drink.

This science fair project idea tests the efficiency of short term memory.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This holiday season, don't forget the many delights of "cookie science"! Here's a confection we especially like.

Here's a homemade bulletin board project to help your fourth grader's school year start off right.

Finger puppets encourage creative play, communication, and they give you a great way to share the Passover story with your kids.

Let your fourth grader contribute to your 4th of July picnic with this creative caddy craft project.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This gumbo recipe is a yummy way to celebrate Black History Month, and get a little practice in measurement.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Celebrate Cinco de Mayo with your child and teach her about Mexican heritage with this fun arts and crafts activity.

Use the appeal of the common road sign to your advantage by creating a game with hidden learning opportunities.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

With just a handful of ingredients and some leftover mashed potatoes from dinner the night before, your child can make this simple and healthy soup.

Civil War soldiers didn't take their wives with them to the battlefield, but they took along a piece of home: little sewing kits called "housewives".