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KnovaKNOVA — A free reading app with curriculum-aligned passages on History & Science for Grades 3-8

What Are Tornadoes — Reading Comprehension

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Grades
  • 3
  • 4
  • 5
Standards
  • NGSS 4-ESS3-2
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About This Reader

This engaging Grade 4 science reading passage introduces students to tornadoes, one of nature's most powerful and dangerous weather phenomena. Aligned with NGSS standard 4-ESS3-2, the passage explains what tornadoes are, how they form from thunderstorm clouds, and the incredible destructive power of their spinning winds. Students learn about Tornado Alley in the central United States and why this region experiences more tornadoes than other areas. The passage emphasizes the importance of weather alerts and tornado sirens in keeping communities safe. Audio-integrated content supports diverse learners, while differentiated versions ensure all students can access the core science concepts. Vocabulary is carefully scaffolded with bold key terms and immediate definitions. The passage connects to real-world applications of weather monitoring and emergency preparedness, helping students understand how science knowledge protects people from natural hazards.

Perfect For:

👩‍🏫 Teachers
  • • Reading comprehension practice
  • • Auto-graded assessments
  • • Literacy skill development
👨‍👩‍👧‍👦 Parents
  • • Reading practice at home
  • • Comprehension improvement
  • • Educational reading time
🏠 Homeschoolers
  • • Reading curriculum support
  • • Independent reading practice
  • • Progress monitoring

Reading Features:

📖
Reading Passage
Engaging fiction or nonfiction text
Comprehension Quiz
Auto-graded questions
📊
Instant Feedback
Immediate results and scoring
📄
Printable Version
Download for offline reading
🔊
Read Aloud
Voice-over with word highlighting

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