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?

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

In this project, the affect of acid rain is simulated by the acid, vinegar.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

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.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.