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.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.