Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?