A paperback book titled "ACT Science Practice Questions 2026-2027" stands open on a wooden desk in a bright room.
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions
ACT Science Practice Questions

ACT Science Practice Questions

500+ Practice Questions with Strategy-Based Explanations, Diagnostic Test & Full-Length ACT Science Test to Boost Your Enhanced ACT Score

★★★★★ (4.8/5) Rated by 1,200+ Readers
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Description

ACT Science Practice Questions 2026-2027

IMPROVE YOUR ACT SCIENCE SCORE WITH A PREP BOOK BUILT FOR ACCURACY, SPEED, AND CONFIDENCE

The ACT Science section is one of the most time-intensive parts of the exam. You have to solve questions quickly and accurately. That’s exactly what this book is built to help you do — solve questions faster, more confidently, and with greater precision on test day.

Strategy-First Approach

Every question is solved using Vibrant’s core strategies to help you solve problems faster and more accurately under time pressure.

What You’ll Get Inside:

  • 500+ Practice Questions – Practice with real-like ACT questions you’ll encounter on test day
  • Detailed Answer Explanations – Learn from every mistake with clear reasoning behind correct and incorrect answers.
  • Targeted Practice by Passage Type - Get targeted practice focused on the three core ACT Science passage types: Data Representation, Research Summaries, and Conflicting Viewpoints
  • Diagnostic Test – Identify your strengths and weaknesses before beginning your prep.
  • 1 Full-Length ACT Science Test – Simulate real-test conditions and build confidence.
  • Mini Timed Tests – Solve timed tests to build pacing and exam stamina.
  • Study Plans – Align your prep timeline with 3-month and 6-month study plans.

Online Companion Resources

  • Science Vocabulary List for faster, more confident reading.
  • Graphics Guide to interpret graphs, tables, diagrams, and more.

Whether used for self-study, classroom instruction, or tutoring support, this book offers a strategy-driven, practice-focused path to mastering the ACT Science section.

Other ACT books by Vibrant:

  • ACT Practice Tests
  • ACT English Practice Questions
  • ACT Math Practice Questions
  • ACT Reading Practice Questions
Bibliographic Details

Pages: 298 pages

Paperback (ISBN): 9781636517186

eBook (ISBN): 9781636517285

Trim Size: 8.5" X 11"

Category: Study Aids / ACT

Author: Vibrant Publishers

A+ Content Hero A+ Content Hero
Table of Contents

Publisher’s Note
How to Use This Book
3-Month Study Plan
6-Month Study Plan


Chapter 1 What the ACT Is All About

Chapter 2 ACT Science: What to Expect and How to Succeed

Chapter 3 Your Diagnostic Test—Check Where You Stand

Practice Questions
Answer Key
In-Depth Answer Explanations

Chapter 4 Data Representation Practice
Practice Questions
Answer Key
In-Depth Answer Explanations

Chapter 5 Research Summaries Practice
Practice Questions
Answer Key
In-Depth Answer Explanations

Chapter 6 Conflicting Viewpoints Practice
Practice Questions
Answer Key
In-Depth Answer Explanations

Chapter 7 Science Test
Practice Questions
Answer Key
In-Depth Answer Explanations

Author

Vibrant Publishers is focused on presenting the best texts for learning about technology and business as well as books for test preparation. Categories include programming, operating systems and other texts focused on IT. In addition, a series of books helps professionals in their own disciplines learn the business skills needed in their professional growth.

Vibrant Publishers has a standardized test preparation series covering the GMAT, GRE and SAT, providing ample study and practice material in a simple and well organized format, helping students get closer to their dream universities.

Series

ACT Science Practice Questions is part of the Test Prep Series. The focus of the Test Prep Series is to make test preparation streamlined and fruitful for competitive exam aspirants. Students preparing for the entrance exams now have access to the most comprehensive series of prep guides for GRE, GMAT, and SAT preparation. All the books in this series are thoroughly researched, frequently updated, and packed with relevant content that has been prepared by authors with more than a decade of experience in the field.

Editorial Reviews

The test-taking strategies hit all of the points that I would go over when I was doing the after-school ACT prep sessions at my school.
The explanations as to why the correct answer was correct were very thorough. I really liked how the process of elimination was used to address some of the more unfamiliar concepts. The breadth of science topics covered was excellent!
-- Deborah Boxall, Science Teacher, Watertown High School

Supplemental Resources

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  • 5 stars: 76 (63%)
  • 4 stars: 44 (37%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
C
Chaiwat Viroj (Thailand)
Great Study Companion

This book is a great companion for anyone serious about their ACT score. Very well organized.

H
Hoang Pham (Vietnam)
Value for Money

This resource is worth every penny. It prepared me well for the actual test day.

V
Vugar Aliyev (Azerbaijan)
Very Helpful Explanations

I appreciated the clear explanations for each question. It made learning much easier and more productive.

S
Sanya Nair (India)
Good Quality Questions

The book provided consistent and challenging practice. I am very satisfied with this purchase.

S
Sarah Jones (USA)
Highly Recommended Prep

This was the best study resource I used. It significantly improved my performance in practice tests.

B
Bui Thi Anh (Vietnam)
Very Comprehensive

Covers all the essential topics for the ACT science section. Definitely worth buying.

N
Natthapon Kittipong (Thailand)
Top-Notch Practice

This book helped me master the reading strategies for the science test. Truly excellent quality.

R
Rasim Gasimov (Azerbaijan)
Effective Learning Material

The questions were challenging and really helped me improve my data interpretation skills. Highly recommended.

R
Rahul Deshmukh (India)
Great for Test Success

A perfect supplement for my ACT preparation. The content is very high-quality and realistic.

R
Robert Taylor (USA)
Fantastic Study Guide

I loved the practice questions and the detailed step-by-step solutions. My prep is much more efficient now.

L
Lan Nguyen (Vietnam)
Very Useful for Beginners

The book is easy to navigate, making it a great resource for anyone just starting their ACT journey.

K
Krit Srisai (Thailand)
Excellent Guide for ACT Science

This is exactly what I needed to focus my preparation. The explanations are concise and very helpful.

E
Elvin Abbasov (Azerbaijan)
Solid Prep Companion

I found the practice questions to be challenging but very fair. A must-have for serious test-takers.

P
Priya Sharma (India)
Highly Effective Resource

This book helped me understand the logic behind difficult science questions. Truly a great investment for my prep.

W
William Anderson (USA)
Great Practice Material

The variety of passages and question types is impressive. Perfect for building consistent test-taking skills.

M
Minh Le (Vietnam)
Boosted My Confidence

After practicing with these sets, I feel much more comfortable tackling the science section. Great resource for international students.

S
Somchai Srisai (Thailand)
Effective Preparation Tool

A really useful guide for anyone preparing for the ACT. The explanations for each question are clear and easy to follow.

L
Leyla Huseynova (Azerbaijan)
Very Helpful Practice Sets

The questions are well-crafted and provide a great variety of scientific topics to practice. Excellent study resource.

A
Aryan Gupta (India)
Essential for High ACT Scores

I used this to improve my speed and accuracy in interpreting scientific data. Highly recommended for students in India.

K
Katherine Miller (USA)
Mastering ACT Science Strategies

This book offers a fantastic approach to tackling the ACT Science section. The practice sets are challenging and very similar to the real exam.

T
Tejas Iyer (India)
Loved the timed mini sets

The mini timed practice sets were the most useful part for me. They built my pacing in manageable chunks before the full-length test. Realistic and well judged.

N
Nijat Guliyev (Azerbaijan)
Helped me understand the section

I never grasped how the Science section worked until this book broke it down by passage type. Knowing what each type demanded changed how I prepared. Smart and useful.

L
Ly Thi Thu (Vietnam)
A reliable guide in book form

Studying alone, I needed something that could teach me, not just test me. This workbook does both, patiently and clearly. Truly reliable for independent prep.

D
Duangporn Wong (Thailand)
Clear and complete

It covers every passage type clearly and completely. No gaps, no confusion. I worked through it methodically and walked in fully prepared for the section.

P
Pranav Kulkarni (India)
Excellent value for money

Cheaper than coaching and arguably more focused for the Science section. Every rupee was well spent. I recommend it to anyone prepping the ACT on a budget.

G
Gabrielle Mercer (USA)
My daughter finished the whole thing

The real test of a workbook is whether the kid uses it. Mine finished this one, which never happened with the others. The format kept her engaged. That alone earns five stars.

H
Hoang Thi Lan (Vietnam)
Strong all-rounder for science

No passage type is neglected and the volume is generous. Whether data, research summaries, or conflicting viewpoints, each got real attention. Balanced and complete.

T
Tanapat Boonruang (Thailand)
Great for the new format

Reflects the current enhanced ACT accurately, including the engineering passage. I was reassured I was preparing for the actual test, not an outdated version. Felt current.

V
Varun Pillai (India)
Best for the science section

Indian curricula do not prepare you for the ACT Science format. This workbook bridged that gap completely. The way it teaches you to attack data passages is brilliant.

F
Fidan Mammadli (Azerbaijan)
Thorough and trustworthy

I relied on this as my main science resource and it held up. The explanations are accurate and the practice is realistic. A serious, dependable workbook.

S
Sierra Maddox (USA)
A lifesaver before test day

I drilled with this in the two weeks before my exam and the passage-type sets were perfect for targeted last-minute review. I could hit my weak spots fast. Saved my score.

J
Jintana Phetchara (Thailand)
Improved my reading speed

The strategies trained me to skim figures for structure first, then zero in. My speed climbed while accuracy held. Exactly the balance the Science section demands.

V
Vugar Huseynov (Azerbaijan)
Dependable and clear

Through months of prep this was my constant. Clear, accurate, and thorough. When I had a doubt, the explanation had the answer. I trusted it completely.