Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Looking for a fourth grade worksheet to help your kid with astronomy? This printable will help him learn the relative sizes of planets.

Calling all mad scientists... Electrify your enthusiasm for science! This awesome worksheet will show you step-by-step how to make an electromagnet.

Get to know the Apollo 11 space mission in this science and history worksheet!