Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This science fair project idea teaches kids the different functions of a leaf.

This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

This science fair project idea determines which colors are more difficult to read at a distance.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

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

The project idea is to establish whether it is easier to memorize words with fewer syllables and to understand how memory works.

This project explores ways to prevent static electrical shocks.

Using a toy race car kids create a visual model of the Doppler Effect.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.

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

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this science fair project, students make their own rain gauge to measure rainfall.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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 provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

This science project idea determines how people recognize words while reading.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.