Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

This science fair project idea investigates if fats add to the flavor of food.

This project investigates the affect of storage temperature on microwave popcorn.

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

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.