
The Atoms-First Reference & Discovery Library: Elementary Set
✓ Complete System —Includes all 4 textbooks plus student pages and teacher pages for every book. Everything you need for elementary science.
Everything Inside the Elementary Set
4 hardcover textbooks + 4 student page books + 4 teacher page books = 12 books total
Science Book 1: The Atomic Map
Where modern science begins
- Hardcover Student Textbook
- Softcover Student Pages
- Softcover Teacher Pages
Science Book 2: The Scientific Toolkit
How scientists investigate
- Hardcover Student Textbook
- Softcover Student Pages
- Softcover Teacher Pages
Science Book 3: Atomic Theory in Everyday Life
Deeper molecular connections
- Hardcover Student Textbook
- Softcover Student Pages
- Softcover Teacher Pages
Science Book 4: From Atomic Behavior to Complex Systems
Integrated systems thinking
- Hardcover Student Textbook
- Softcover Student Pages
- Softcover Teacher Pages
Why Families Choose the Full Set
No Gaps, No Extra Purchases
Every textbook, student workbook, and teacher guide is included. You have everything you need from day one with nothing else to buy.
Unified Conceptual Progression
Each book builds on the last. The atomic framework introduced in Book 1 deepens through every level, creating true long-term understanding.
Significant Savings
The set price is meaningfully less than purchasing each book individually. One decision coversyears of elementary science.
Every Book Covers All Five Sciences
Each book in the series explores chemistry, biology, physics, geology, and astronomy through the atomic map framework, building deeper understanding at every level.
Where Modern Science Begins
Atoms, molecules, and chemical reactions—the transformations that create the material world.
The Science of Life
From cells to ecosystems, understanding life through its molecular foundations.
Energy and Motion
Forces, motion, and energy transfer as atomic-scale interactions expressed at larger scales.
The Dynamic Earth
Earth’s layers, rocks, and geological processes explained through atomic structure and energy.
Our Place in Space
The solar system and beyond, extending physical laws beyond Earth.
The Open & Go 3-Book Set Per Level
Each science book level includes three components designed to work together.
Hardcover Student Textbook
Full-color journey through five scientific disciplines, unified through the atomic map.
- 22 chapters per book
- Accurate scientific vocabulary
- Abstract ideas made concrete
- Builds on the previous level
Softcover Student Pages
Guided notebooks that turn understanding into active learning.
- Study pages reinforcing concepts
- RATATAZ experiments
- Quizzes assessing understanding
- Scientific thinking activities
Softcover Teacher Pages
Complete instructional support for any teaching environment.
- Fully planned 35-45 min lessons
- Experiment notes and safety
- Answer keys for all work
- No science background needed
Choosing the Right Science Path
Not sure if this is the right fit? See how this compares to the full science system.
| Feature | Elementary Library | ★ Best Value Full Home Library |
|---|---|---|
| Grades Covered | 1–5 | 1–8 Complete |
| Books Included | Books 1–4 | Books 1–7 |
| Experiment Workbooks | Elementary Only | Both Included |
| Long-Term Use | 2–4 years | 6–8+ years |
| Future Purchases Needed | Yes | No |
| Total Value | ~$736 | $1,288+ |
| Price | $599 | $899 |
| Savings | ~$137 | Save $350+ |
Many families choose the Full Library to avoid needing to repurchase curriculum later and to ensure a complete, connected science education from the start.
UPGRADE TO THE FULL SCIENCE LIBRARYTrusted by Families & Educators
Best science curriculum out there! Just wanted you to know how much I’ve appreciated teaching my kids from your materials.
As a science teacher, I’ve tried several programs, but RS4K stands out. The emphasis on authentic scientific vocabulary and age-appropriate foundational content makes it easy for my students to grasp complex concepts.
I love how RS4K introduces complex topics like atoms and molecules in an easy-to-understand manner for younger students. My daughter has developed a strong foundation in science and always looks forward to her lessons.
Questions about placement? Visit our FAQ to find the best starting point for your student.