25x
25x: Physical Science
A complete high school workbook pairs structured physical science lessons with guided notes, analysis activities, and teacher support.
★★★★★ 5.0 · 12 reviews- 371 pages
- 6 units
- 14 pages to preview
- Published by 3andB
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What you get
- Twenty-five structured lessons organize major physical science foundations from measurement and matter through Earth’s atmosphere.
- All-new articles, images, and diagrams give students clear ways to read scientific information.
- Independent and dependent variable, hypothesis, and data analysis activities build scientific reasoning and calculation skills.
- Answer keys and teacher lecture notes support classroom instruction, review, intervention, and independent study.
- Real-world hypotheticals and reflection questions move students beyond memorization toward analysis and application.
- Crosswords, word searches, and vocabulary practice reinforce key concepts throughout the workbook.
Designed for high school physical science, this academic workbook supports classroom instruction, independent study, review, intervention, homeschool use, supplemental practice, sub plans, and mixed-ability classrooms.
About this workbook
25x: Physical Science, Fifth Edition from 3andB is a complete 371-page high school workbook for the 2026–27 school year. Across 25 structured lessons, students study measurement, matter, atomic structure, chemical reactions, forces, energy, magnetism, waves, electricity, astronomy, environmental science, geology, oceanography, Earth’s layers, and the atmosphere.
Clear articles, images, diagrams, and guided notes support instruction, while activities address independent and dependent variables, hypotheses, data analysis, real-world scenarios, reflection, and vocabulary. Crosswords and word searches provide additional reinforcement.
The full version includes answer keys and teacher lecture notes for classroom instruction, independent study, review, intervention, homeschool use, and supplemental practice. Content aligns with NGSS high school physical science and Earth science concepts and Texas TEKS for Integrated Physics and Chemistry.
Students develop their ability to read scientific information, calculate, interpret data, analyze evidence, and apply physical science concepts.
The same shape, every time
In every lesson
A teacher can hand out any lesson in this book and know exactly what a student is getting.
- 1Clear science articles
- 2Guided notes
- 3Real-world scenarios
- 4Independent and dependent variables
- 5Data table interpretation
- 6Reflection questions
- 7Vocabulary practice
- 8Crosswords and word searches
What's inside
6 units, start to finish.
- Lesson 1: Measurement, Units, and Scientific Notation
- Lesson 2: Chemistry
- Lesson 3: Properties and States of Matter
- Lesson 4: Atomic Structure
- Lesson 5: The Periodic Table
- Lesson 6: Chemical Bonds
- Lesson 7: Chemical Reactions
- Lesson 8: Solutions, Acids, and Bases
- Lesson 9: Organic Chemistry
- Lesson 10: Nuclear Chemistry
- Lesson 11: Physics
- Lesson 12: Forces and Motion
- Lesson 13: Work, Power, and Machines
- Lesson 14: Energy
- Lesson 15: Magnetism
- Lesson 16: Mechanical Waves and Sound
- Lesson 17: Electromagnetic Spectrum and Light
- Lesson 18: Electricity
- Lesson 19: Astronomy
- Lesson 20: Environmental Sciences
- Lesson 21: Earth Sciences
- Lesson 22: Earth’s Layers
- Lesson 23: Geology
- Lesson 24: Oceanography and Hydrology
- Lesson 25: Earth’s Atmosphere
From teachers who bought it
What teachers say
An excellent teaching resource (even for non-science teachers)
A good school librarian keeps themself abreast on all class subject matters across grade levels, arming oneself with lessons, multi-format learning materials, and facts so as to best promote library and classroom coordination and cooperation. Hence the reason, aside being interested in science for its own sake, I bought this. Five lab-tested Stars for an excellent teaching resource.
Buen libro
Este libro dice que es para adolescentes, jajajajaja. Si te soy sincera, cualquier adulto podría beneficiarse de él también porque explica de una manera que llega a cualquier tipo de persona y edad. Es increíble todos los temas interesantes que abarca y la manera práctica que tiene de enseñarlos; me llamó mucho la atención.
Made science finally click
I got this for my niece who struggles with physics and chemistry, and wow, what a difference it made. The explanations are clear, straight to the point, and actually make tough topics easy to understand. I love that it includes both the workbook and answer keys, so she can check her progress right away. The lecture notes are super helpful too—it’s like having a teacher explain things step-by-step. She’s now way more confident doing her science homework and even enjoys it. Definitely worth it for students who want to boost their understanding without getting overwhelmed.
Made science finally click
I got this for my niece who struggles with physics and chemistry, and wow, what a difference it made. The explanations are clear, straight to the point, and actually make tough topics easy to understand. I love that it includes both the workbook and answer keys, so she can check her progress right away. The lecture notes are super helpful too—it’s like having a teacher explain things step-by-step. She’s now way more confident doing her science homework and even enjoys it. Definitely worth it for students who want to boost their understanding without getting overwhelmed.
Excellent Curriculum Reinforcement
This science workbook helps high school students learn chemistry, physics, and Earth science in a fun way. It has 25 lessons with answer keys, teacher notes, and online slides. Each lesson includes easy explanations, cool activities, and real-life examples. Students learn how science connects to everyday life and jobs. It’s great for classrooms, tutoring, homeschool, and STEM programs. As former Science teacher, I would really like using it too.
Excellent Curriculum Reinforcement
This science workbook helps high school students learn chemistry, physics, and Earth science in a fun way. It has 25 lessons with answer keys, teacher notes, and online slides. Each lesson includes easy explanations, cool activities, and real-life examples. Students learn how science connects to everyday life and jobs. It’s great for classrooms, tutoring, homeschool, and STEM programs. As former science teacher I would really like using it too.
Great Supplemental Workbook
This will be a great addition to any high school physical science classroom curriculum. There are some good features to this book: NGSS aligned, slideshows online, and various activities. The lessons are good for introducing, reinforcing, and I found giving students a chapter on sub days worked well too.
Starting Strong with Science at Home
I got this for my 12-year-old who just started middle school. We're easing into it, taking it slow, but so far it's been a helpful resource. It’s clear, well-organized, and makes science feel less overwhelming. Hoping it builds a solid foundation over time.
GREAT Basic Physics Guide
25X Physical Science is an outstanding guide that starts off with a basic understanding of physics. Then the book evolves into teaching why physics is so important and then into practical, academic instruction with real-world examples. We purchased the Kindle version and much to our surprise, the worksheets were formatted perfectly for printing. Overall, an excellent read for students and adults as well.
Excellent School resources
Physical Science book is an excellent resource. It gives teachers everything they need to cover chemistry, physics, and Earth science in 25 ready-to-teach lessons. It comes with answer keys, lecture notes, and online slides, making it easy to use in class or at home. The lessons are clear, practical, and tied to real-world examples, so students can see why science matters in everyday life.
Comprehensive and well-structured workbook
25x: Physical Science – High School is a comprehensive and well-structured workbook that combines clear lecture notes, answer keys, and engaging exercises to support effective science learning. Ideal for both classroom and homeschool settings, it equips students with the foundational knowledge and practice needed to master key physical science concepts.
Rich and diverse
This book has a real range of worksheets that are rich in terms of learning but also good for diverse learners of different levels. The book gives some interesting facts, but it is also really well formatted, and the cover page is really appealing.
Sample pages
14 pages photographed from the book — open any one full size.
Written against
Standards this workbook covers
- NGSS Next Generation Science Standards
- TEKS Texas Essential Knowledge and Skills
Questions teachers ask
How many lessons and pages are included?
The workbook contains 25 structured lessons across 371 pages. This Fifth Edition is for the 2026–27 school year.
What topics does the workbook cover?
It covers measurement, matter, atomic structure, chemical reactions, forces, energy, magnetism, waves, electricity, and astronomy. Students also study environmental science, geology, oceanography, Earth’s layers, and Earth’s atmosphere.
Does the workbook include an answer key?
Yes. The full version includes a complete answer key section and teacher lecture notes to support classroom instruction, independent study, review, and intervention.
What skills do students practice?
Students practice reading scientific information, calculating, interpreting data, analyzing evidence, and applying physical science concepts. Activities also develop vocabulary, scientific reasoning, writing, reflection, and analysis of real-world scenarios.
Can I preview the workbook materials?
Yes. Free materials on this page include a video and slides.
Ready for your classroom
25x: Physical Science · 371 pages · High School
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