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!

Students learn about the relationship between the structure and function of cell walls and cell membranes in this engaging life science worksheet!

All attention on atoms in this amazing activity!

Students demonstrate their knowledge of the structure of plant cells in this middle grades life science worksheet!

Students demonstrate their knowledge of the structure of animal cells in this middle grades life science worksheet!

Students take a deep dive into the structure of animal cells in this middle grades life science worksheet!

Encourage students to take a deeper dive into the structure of plant cells in this middle grades life science worksheet!

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Discover the three ways heat can move from one place to another in this middle school worksheet!

This list of elements is missing mega-information: a combination of category, name, number, or symbol. Can you fix them up?

Learn about lightning and charging by induction in this engaging middle-grade worksheet. 

With your experiment data and analysis in hand, it’s time to draw your conclusions!

Introduce students to the third step of the engineering design process with this helpful template!

Spot the saboteur by testing DNA in this exciting middle-grade worksheet!

In this physical science worksheet, students will review how to calculate velocity given time and distance and then apply this process to several diverse word problems.

What do a raven, a bat, and a wolf have in common? Similar skeletal structures! In this Halloween worksheet, middle-grade students will explore homologous structures in different animals. 

Zoom in on atoms in this informative worksheet!

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

An animal cell is made up of many different organelles—color them all in this middle-grade worksheet! 

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

Crunch the atomic numbers of different elements in this worksheet!

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

Use gel electrophoresis to solve an ice cream mystery in this fun worksheet!