PHILADELPHIA (WPVI) -- Everyone knows it's cold it is outside. The entire Philadelphia region has remained below freezing for the seventh day in a row, with little relief in sight. But we are tapping ...

At head of title: DK Smithsonian. Twenty-five science projects and experiments to be done outside will spark kids' creativity and help them develop science skills through hands-on learning.

Liz Heinecke, author of Super Fun Science Experiments for Kids, shows us some fun outdoor science experiments you can do with your kids or grandkids.