Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

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

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This science experiment tests if dog saliva can really help heal wounds.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea explores whether talking to a plant will help it grow.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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

Test whether plants can grow without sunlight and water.

This science fair project idea examines which type of insulation holds in the most heat.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

The goal of this project is to create an exciting topographical map out of dough.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

This science fair project idea explores the different properties & interactions of sugar molecules.