Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea experiments with spinning color wheels and optical illusions.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.