Science Reading Passages
This book explains how everyday machines work, in 24 nonfiction passages for grades 4 to 6. The list runs from a simple circuit and a switch to gears, a wing, a refrigerator and a canal lock, with bridges and a four-stroke engine along the way. Each passage runs 180 to 250 words and has a plain diagram drawn for it, then six questions, labelled Word meaning twice, Detail twice, Why once and Main idea once. The key prints each answer in green and quotes the sentence that proves it. The last pages are a fact list that sets out every claim each passage makes, so a parent or teacher can check them. An AI research pass compared those facts with published sources, and no person has checked them. It is reading only, with no experiments.
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Buy on EtsyPrint PDF, US Letter and A4. A script confirmed the page sizes, embedded fonts and margins. A test print on a real printer has not been recorded.
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What's included
- Science-Reading-How-Things-Work-Letter.pdf, 132 pages
- Science-Reading-How-Things-Work-A4.pdf, 132 pages
- Start-Here-Science-Reading.pdf, which file to use, print settings
How it works

Read, study, answer The passage How a Lever Works with its diagram, beside the questions page for How a Battery Works. 
Topics at a glance A grid of passage pages labelled Circuit, Motor, Lever, Gears, Beam, Suspension, Engine, Wing, Submarine, Fridge, Speaker and Lock. 
The fact list A page headed Fact list, with the claims each passage makes listed under its title, so an adult can check them. 
A diagram on each page A line drawing of a suspension bridge with the tower, main cable, hangers, deck and anchors labelled. It shows the idea and is not to scale. 
Keys that show why The key page for How an Electric Motor Turns, with green answers and the sentence from the passage that proves each one.
Compatibility and file formats
Print PDF. Page sizes in the files: US Letter 612 x 792 pt and A4 595 x 842 pt. A script confirmed the sizes, that the fonts are embedded and that no ink falls within 0.25 inch of the page edge. Test printing on a real printer has not been recorded for this file.
Instant download from Etsy · nothing shipped.
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Questions
- How were the facts checked?
AI wrote the passages and the fact list. An AI research pass then compared the facts with published sources. No person has checked them, which is why the fact list is in the book.
- Are the diagrams exact?
No. They are plain drawings that show the idea. They are not to scale and are not plans for building anything.
Printer and paper are not included. These are practice pages, not lesson plans and not a reading test. They make no promise about results. Digital files cannot be returned once downloaded; if a file does not open or a link is broken, send a message through Etsy. License: for your personal use only. No resale or sharing of this file. AI helped write the passages, the questions, the fact list, the listing text, the how-to text and the code that builds this file and draws the diagrams. Scripts tested: word counts, the reading grade formula, that each key points at the choice the writer marked right and quotes a real sentence, that every number in a passage is on its fact list, that every fact is printed, and that a key equals its page plus green. A second AI pass answered the questions without seeing the key, and its answers were compared with the key. An AI research pass compared the listed facts with published sources, some of them encyclopedias or search excerpts, and worked out a few example numbers by arithmetic. No person is claimed to have checked it unless stated here.

