Find out whether a longer airplane will fly farther or a wider paper airplane.

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!