A Complete Science Education for Grades 1–8 Built on the Modern Atoms-First Approach
One system. No gaps. No guesswork. Everything your family needs to teach real science—from first concepts to advanced understanding.
- ✓ Complete Grades 1–8 science system
- ✓ Hardcover textbooks + hands-on experiment workbooks
- ✓ Atoms-First approach (builds real understanding)
- ✓ Multi-age friendly, homeschool ready
Not sure where to start? See the difference between Elementary, Middle, and Full System ↓
Choose the Right Science Path for Your Family
| Feature | Elementary Library | Middle School Library | ★ Best Value Full Home Library |
|---|---|---|---|
| Grades Covered | 1–5 | 5–8 | 1–8 Complete |
| Books Included | Books 1–4 | Books 5–7 | Books 1–7 |
| Experiment Workbooks | Elementary Only | Middle Only | Both Included |
| Learning Progression | Foundation Only | Advanced Only | Full Journey (No Gaps) |
| Multi-Age Teaching | Limited | Limited | Yes (Designed for families) |
| Long-Term Use | 2–4 years | 2–3 years | 6–8+ years |
| Future Purchases Needed | Yes | Yes | No |
| Total Value | ~$736 | ~$588 | $1,288+ |
| Price | $599 | $549 | $899 |
| Savings | ~$137 | ~$39 | Save $350+ |
| Best For | Getting started | Advancing skills | Complete science education |
Why Most Families Choose the Full Library
For just $300 more, you get:
- ✓ 3 additional textbooks (plus matching student & teacher pages)
- ✓ The complete learning progression from grade 1 through 8
- ✓ Both experiment systems (elementary + middle school)
- ✓ Years of future curriculum already covered
No need to repurchase or switch programs later.
Everything Inside the Complete Home Library
7 hardcover textbooks + 7 student page books + 7 teacher page books = 21 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
Science Book 5: When Science Meets the Real World
Real-world applications
- Hardcover Student Textbook
- Softcover Student Pages
- Softcover Teacher Pages
Science Book 6: The Invisible Forces That Shape Our World
Invisible forces explored
- Hardcover Student Textbook
- Softcover Student Pages
- Softcover Teacher Pages
Science Book 7: The Story of Science
Advanced study preparation
- 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 coversyour entire K–8 science education.
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
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.
