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.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

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.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

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.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Make edible amber fossils with your second grader to explore the fascinating world of science!

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!

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

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!

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

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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."

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

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!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.