1st Grade Science Textbook cover
Free textbook

1st Grade
Science

The official MegaCub textbook for 1st grade science — clear explanations, practice-ready lessons, and offline reading in EPUB format.

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  • Standards-aligned Science
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What's inside

A look at topics covered in this 1st grade science book.

  1. Scientific Inquiry and Methodological Practices
  2. Properties and States of Matter
  3. Forces, Motion, and Mechanical Interactions
  4. Energy Forms: Light, Sound, and Thermal Dynamics
  5. Earth, Space, and Planetary Systems
  6. Meteorology, Climate, and the Water Cycle
  7. Biological Structures and Functions
  8. Growth, Development, and Life Cycles

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