Our understanding of the atom has changed over the past few hundred years! Read about a few different theories on the structure of an atom.

Learn the basic structure of an atom with this introductory page, complete with a fun experiment they can try at home!

All attention on atoms in this amazing activity!

Zoom in on atoms in this informative worksheet!

Learn all about charging by friction with this fascinating science worksheet for middle grades!

Become an atomic detective and uncover the elements in this investigative worksheet!

Crunch the atomic numbers of different elements in this worksheet!

Learn the language of chemistry by reading and writing chemical equations in this middle-grade worksheet! 

Discover the difference between physical properties and chemical properties of matter in this informative science worksheet!