Atomic Structure & the Development of Atomic Theory Bell Ringers & Exit Tickets | Chemistry | Grades 9–12

Atomic Structure & the Development of Atomic Theory Bell Ringers & Exit Tickets is bell ringer and exit ticket prompts for high school Chemistry (grades 9–12) on Atomic Structure & the Development of Atomic Theory.

Pairs with: Atomic Structure & the Development of Atomic Theory Slide Show Presentation; Atomic Structure & the Development of Atomic Theory Guided Notes; Atomic Structure & the Development of Atomic Theory Lesson Quiz; Atomic Structure & the Development of Atomic Theory Vocabulary Words & Definitions.

Sample item: “1. Democritus proposed indivisible particles. What did he call them, and why does the chapter call his model philosophical rather than scientific?”

What's inside: Bell Ringers & Exit Tickets (editable .docx + PDF, about 3,017 words, 9 pages); answer key / model answers for the teacher.

Standards: HS-PS1-1 — Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms. HS-PS1-8 — Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.

Resource type: Bell Ringers & Exit Tickets. Format: editable Microsoft Word file plus a ready-to-print PDF.

Classroom use: Open class with a bell ringer and close with an exit ticket to check understanding. Built for high school Chemistry, grades 9–12.

Format note: These files are delivered in Microsoft Office formats (Word and/or PowerPoint). If you open a worksheet that includes tables in Apple Pages or another non-Microsoft app, table formatting may not display correctly. For best results, use Microsoft Word or PowerPoint (or upload the file to Google Docs). If you run into any formatting issues, contact us and we can send a PDF version.