In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This simple experiment serves as an introduction to the greenhouse effect.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

This science fair project idea compares biodiversity between drops of water.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

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

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Make sourdough bread...and learn some colonial history and modern science in the process!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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