What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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