
Elementary Set: The Atoms-First Reference & Discovery Library
✓ Complete System :Includes all 4 Book Trios (12 books) plus the Elementary Experiment Workbook. 13 books total, everything you need for elementary science.
Why We Start With Atoms
Most K-6 science stops at what kids can see: weather, rainbows, plants, motion. Children memorize the phenomena but never get the layer underneath that explains why. That layer is mechanisms: the atoms, molecules, electrons, and photons that are the causal actors at the heart of every science topic. Real Science-4-Kids teaches Atoms First, so your student builds one framework that connects chemistry, biology, physics, geology, and astronomy, instead of a pile of facts to memorize. The result is understanding that transfers from topic to topic, not facts that fade after the test.
The Atoms First Sequence
- Book 1: The Atomic Map. Students learn what atoms and molecules are, the correct starting point, then use that atomic lens to explore biology, physics, geology, and astronomy.
- Book 2: The Scientific Toolkit. Students learn how scientists investigate, building the Scientist's Toolbox of observation, measurement, and models through hands-on practice.
- Book 3: Atomic Theory in Everyday Life. Students apply that toolkit to see how atomic theory connects across every science and explains the world around them.
- Book 4: From Atomic Behavior to Complex Systems. Students build from the behavior of atoms up to the complex systems those atoms create.
Everything Inside the Elementary Set
4 hardcover textbooks + 4 student page books + 4 teacher page books + Elementary Experiment Workbook = 13 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
The RS4K Advantage
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.
A Modern Science Foundation
A modern science foundation for your scholar. Give them science they won't have to unlearn in middle school or high school.
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
Choose Your Science Path
Compare the sets side by side to find the right fit for your family.
| Feature | Elementary Set | Middle School Set | ★ Best Value RS4K Science Library |
|---|---|---|---|
| Grades Covered | 2–5 | 6–8 | 2–8 Complete |
| Book Trios Included | Books 1–4 | Books 5–7 | Books 1–7 |
| Experiment Workbooks | 1 Workbook | 1 Workbook | Both Included |
| Learning Progression | Foundations | Growth | Complete Journey |
| Multi-Age Teaching | Yes | Yes | Yes |
| Long-Term Use | 4 years | 3 years | 6–8+ years |
| Future Purchases Needed | No | No | No |
| Total Print Value | $801 | $653 | $1,454 |
| Price | $599 | $549 | $899 |
| Savings | $202 | $104 | Save $555 |
Simplify your scholar's science curriculum and give them the modern science edge.
Trusted 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.