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

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Construct and experiment with a periscope using reflected light rays to gather an image.

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

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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

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

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.