Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

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

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

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

Make sourdough bread...and learn some colonial history and modern science in the process!

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

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

This basketball project explores the best way to make the perfect shot every time.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin