📦 Save with the Gravity Unit Bundle: Get every gravity resource I sell — quizzes, slide decks, labs, crosswords, warmups, the test, and the escape room — bundled for $48.75. Get the Physics Gravity Unit Bundle — NGSS Grades 9-12 → ✅ NGSS aligned for Grades 9-12✅ Answer keys included for every assignment, quiz, and test Students guess where each planet belongs on a long paper strip, then discover the real positions through a paper-folding reveal. The moment they see how close the inner planets are crammed together compared to the outer planets is unforgettable. After placing correct positions, students swap models with a peer who measures accuracy — turning it into a friendly competition. What's Included: • Activity slides with planet images, instructions, and paper-folding reveal (PowerPoint) • Peer grading rubric • Teacher notes with materials list and pacing guide • Print-ready digital resource + editable Word + PowerPoint formats Simple materials — paper strips, tape, pens, ruler. Designed for Grades 9-12 physics. 30-45 minutes.
