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

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

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

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Find out which kind of bubble wrap fares best when put in impact.

Here's a pressed leaf card project that puts science and writing together for your second grader.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea explores which fruit molds the fastest.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.