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 determines if family members can recognize one another using only the sense of smell.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

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

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea determines what household items are good conductors of electricity.

Plants and light seem to be good buddies, but how far does the friendship really go?

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this project, a magnet is used to collect iron from breakfast cereals.

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.

This science fair project idea determines the most effective method of preserving food.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Here's a science activity to help your child investigate how seeds are designed to travel.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!