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!

Practice using parallel structure in writing with this fill-in-the-blank grammar exercise!

Learn all about the structure of the Roman Republic with this social studies worksheet for middle grades!

Students choose one of two writing prompts focused on analyzing the form and structure of a literary text with this middle school writing worksheet.

Students practice finding and correcting errors in parallel structure with this helpful grammar worksheet!

Give students hands-on editing practice with this grammar worksheet all about parallel structure!

Get more practice finding and correcting errors in parallel structure with this helpful grammar worksheet!

Give students more hands-on editing practice with this grammar worksheet all about parallel structure!

Give students even more hands-on editing practice with this grammar worksheet all about parallel structure!

Identify sentences with parallel structure quickly, consistently, and accurately with this essential worksheet!

Practice your grammar, mechanics, and sentence structure with this foundational middle school worksheet!

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

Students choose one of two writing prompts focused on analyzing the form and structure of a poem or drama in this worksheet for middle school learners.

“Parallel” isn’t just for math! Identify correct parallel structures in this colorful worksheet!

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

Help students organize their ideas and structure their written responses with the PEEL strategy!

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

Help students organize their ideas and structure their paragraph responses with this PEEL graphic organizer!

Explore the structure, intent, and ramifications of the Articles of Confederation with this two-page social studies 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!

In this reading comprehension worksheet, learners compare and contrast two poems, focusing on structure, tone, and literary devices used in each.

Applicable to most nonfiction texts, this worksheet has students choose one of two writing prompts focused on analyzing and evaluating the structure of a nonfiction text.

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

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. 

Explore a remarkable example of Maya engineering with this sixth through eighth grade nonfiction reading worksheet.

Help students plan their informational writing with this graphic organizer!

Getting ready to write an informational essay? Use this five-page outline to help think through the next stages of the informational writing process!

Use this grammar worksheet to give students practice differentiating between active and passive voice by having them identify the type of voice used in various sentences.