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.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This project compares the strength of one, two, and three-ply toilet paper.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Examine the effect of pressure on carbonation in soda.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair project teaches students the differences between fruits and vegetables.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Help your child add some flair to the family garden with pencil pinwheels!

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

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.