Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

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

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.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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

This science research project challenges students to think of more effective lobster farming methods.