This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

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.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Discover whether a metal will expand under hot water.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.