Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Learn how different types of soil affect how animal tracks form in this experiment!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Test whether plants can grow without sunlight and water.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Create a bee garden to help shelter bees in your area.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project teaches students the differences between fruits and vegetables.