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How Do Cell Phones Send Messages

Interactive passage with audio narration, comprehension questions, and printable PDF.

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Format
Interactive (Online), Printable (PDF)
Grades
345
Subjects
scienceelareading
Standards
NGSS 4-PS4-3
Languages
English, Spanish

What's included

Reading passage
Reading comprehension
Audio narration
With word word highlighting
Comprehension quiz
Auto-graded
Writing activity
Open-ended response
Glossary & flashcards
Vocabulary practice
Differentiated version
Adapted for varied levels
Spanish translation
Bilingual support

About this reader

This engaging 250-word reading passage introduces fourth-grade students to the fascinating process of how cell phones send messages. Aligned with NGSS 4-PS4-3 and the Disciplinary Core Idea PS4.C, the passage explains that digitized signals sent as wave pulses can be used to encode and transmit information. Students discover how cell phones convert voice or text into digital signals, which are then transmitted as radio waves to nearby cell towers. The passage describes the journey of these signals through a network of towers and cables until they reach the recipient's phone, where they are converted back into sound or text. Written at an appropriate reading level for Grade 4, this audio-integrated passage uses simple language and real-world examples to help students understand that their messages travel as waves carrying encoded information. The content builds foundational understanding of digital communication technology, preparing students for hands-on activities and investigations. Supplementary materials include a simplified differentiated version, Spanish translations, glossary, multiple-choice quiz, writing activities, and graphic organizers. This comprehensive resource supports diverse learners while maintaining alignment with NGSS physical science standards for elementary students studying waves and information transfer.
Written by Workybooks TeamPublished by Workybooks
Preview

Sample passage and quiz content

Who it's for

Perfect for the way you teach

Teachers
  • Build comprehension skills
  • Auto-graded quiz
  • Differentiated reading
Parents
  • Read together at home
  • Improve fluency
  • Quiet reading time
Homeschoolers
  • Reading curriculum support
  • Independent practice
  • Track Lexile growth
Topics
cell phonesdigital signalsradio wavescell towersinformation transmissionwavesNGSS 4-PS4-3physical science grade 4

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