Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.