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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?

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

This biodiversity project examines the biodiversity in your own backyard.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

In this design challenge, your child will make a bottle rocket using typical household items.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Do you think heat can affect a plant's growth rate?

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.