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

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.

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

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

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Give your budding young observers a chance to discover simple machines at use in their own home.

Create a bee garden to help shelter bees in your area.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science fair project idea determines which method of hand cleansing is the most effective.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This surprisingly good glue recipe comes from common kitchen items.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Make a backbone model to explore human anatomy and life science.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!