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

How Speed Affects Energy — Reading Comprehension

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Grades
  • 3
  • 4
  • 5
Standards
  • NGSS 4-PS3-2
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About This Reader

This Grade 4 physical science reading passage introduces students to the relationship between speed and kinetic energy, aligned with NGSS standard 4-PS3-2. Through concrete, relatable examples like bowling balls knocking down pins, cars moving at different speeds, and balls being thrown with varying force, students build foundational understanding of how faster-moving objects possess more energy. The passage uses side-by-side comparisons to help students observe that speed has a significant effect on energy, and that when fast-moving objects collide with other objects, they cause bigger changes than slow-moving ones. Audio-integrated features support diverse learners. The passage avoids overwhelming students with complex mathematics while establishing the core concept that increasing an object's speed dramatically increases its kinetic energy. Supplementary activities include comprehension questions, writing prompts, and graphic organizers that reinforce understanding through multiple modalities, making this abstract concept accessible to fourth-grade learners.

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:

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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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