Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

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

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.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

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

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

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!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

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

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Help your child learn about animal classification with this fun and delicious activity.

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