ACT SCIENCE STUDY GUIDE 2026/2027
Master Grammar, Punctuation, Rhetorical Skills, and Reading-Based Editing with 1,000+ Practice Questions, Full-Length Practice Tests, and Detailed Answer ExplanationsBy Adrian Hartwell
Length11h 42m
About this audiobook
Success on the ACT Science section requires more than memorizing scientific facts—it demands strong analytical thinking, data interpretation, and the ability to evaluate experiments, graphs, and competing scientific viewpoints under timed conditions. ACT SCIENCE STUDY GUIDE 2026–2027 is designed to help you prepare with confidence by combining comprehensive content review, realistic practice questions, full-length practice tests, and proven test-taking strategies into one complete study resource.
Whether you're taking the ACT for the first time or working to improve a previous score, this guide presents every major science reasoning skill in a clear, organized format that makes studying more efficient and effective. From interpreting charts and graphs to analyzing experimental designs and evaluating scientific evidence, each chapter is carefully designed to strengthen your understanding and improve your exam readiness.
Inside This Comprehensive Study Guide, You'll Discover:
• A complete review of the major ACT Science topics, organized into easy-to-follow lessons for efficient learning.
• Comprehensive preparation for scientific reasoning, data interpretation, graph analysis, and research summary questions.
• Step-by-step instruction in experimental design, variables, controls, hypothesis evaluation, and scientific investigation.
• Practical lessons on interpreting tables, charts, graphs, and scientific data with speed and accuracy.
• Focused review of conflicting viewpoints passages, helping you compare evidence, evaluate arguments, and draw logical conclusions.
• More than 1,000 carefully developed practice questions designed to reinforce key concepts and strengthen exam readiness.
• Full-length practice tests that closely simulate the format, pacing, and difficulty of the actual ACT Science section.
• Detailed answer explanations that clearly explain the reasoning behind every correct answer while helping you understand common mistakes and improve your scientific reasoning skills.
• Proven test-taking strategies to improve confidence, manage your time effectively, reduce careless errors, and maximize your overall ACT score.
This study guide is designed to help you do more than answer science questions—it helps you develop the analytical reasoning, critical-thinking, and problem-solving skills needed to evaluate scientific information with confidence. As you progress through each chapter, you'll strengthen your understanding, improve your accuracy, and build the confidence needed to perform at your best on exam day.
Whether you're studying independently, preparing alongside a classroom course, or completing a final review before the ACT, this guide provides the preparation, practice, and support needed to help you achieve your target score.
If you're ready to strengthen your scientific reasoning skills, improve your data analysis abilities, and prepare with confidence for the ACT Science section, this study guide is an essential companion throughout your exam preparation.
Get your copy of ACT SCIENCE STUDY GUIDE 2026–2027 today and take the next step toward earning a higher ACT score and achieving your college admission goals.
Audiobook details
GenreEducation and Learning, Science and Nature
Length11 hrs 42 mins
Narrated byListen with 1,000+ voices
FormateBook with Audio
LanguageEnglish
Table of contents
1Introduction
53Chemistry 139
2Introduction 8
54Physics 143
3How to Use This Workbook 9
55Earth and Space Science 146
4Understanding the ACT Science Section 10
56Chapter Review – 20 Practice Questions 149
5Creating an Effective Study Plan 12
57Answer Key and Explanations 156
Show all chaptersShow less
6Common Mistakes to Avoid 14
58Chapter 7 159
7Test-Day Strategies 15
59Advanced Data Analysis 159
8Introduction Review — 20 Practice Questions 17
60Multi-Variable Data 160
9Answer Key and Explanations 24
61Calculations 163
10Chapter 1 27
62Scientific Models 166
11ACT Science Fundamentals 27
63Integrated Passages 168
12Test Format 28
64Chapter Review – 20 Practice Questions 170
13Question Types 30
65Answer Key and Explanations 179
14Time Management 33
66Chapter 8 181
15Scientific Skills 35
67Strategy and Accuracy 181
16Chapter Review – 20 Practice Questions 38
68Question Sequencing 181
17Answer Key and Explanations 45
69Elimination Techniques 184
18Chapter 2 49
70Time-Saving Methods 186
19Reading Scientific Data 49
71Avoiding Common Traps 189
20Tables 49
72Chapter Review – 20 Practice Questions 191
21Graphs 52
73Answer Key and Explanations 199
22Charts 55
74Chapter 9 201
23Trends 58
75Targeted Skill Practice 201
24Chapter Review – 20 Practice Questions 61
76Data Representation 202
25Answer Key and Explanations 69
77Research Summaries 207
26Chapter 3 72
78Conflicting Viewpoints 213
27Experiments and Research 72
79Mixed Practice Sets 219
28Variables 73
80Answer Key and Explanations 224
29Experimental Design 75
81Chapter 10 228
30Procedures 78
82Full-Length Practice Test 1 228
31Conclusions 80
83Authentic ACT Science Test 228
32Chapter Review – 20 Practice Questions 82
84Complete Answer Key with Explanations 319
33Answer Key and Explanations 90
85Chapter 11 338
34Chapter 4 93
86Full-Length Practice Test 2 338
35Scientific Reasoning 93
87Authentic ACT Science Test 338
36Evidence 94
88Complete Answer Key with Detailed Explanations 427
37Predictions 96
89Bonus Full-Length Practice Test 3 446
38Comparisons 98
90ACT-Style Science Test 446
39Inference 101
91Complete Answer Key with Detailed Explanations 535
40Chapter Review – 20 Practice Questions 103
92Conclusion 554
41Answer Key and Explanations 112
93Final Review 555
42Chapter 5 115
94Last-Minute Tips 559
43Conflicting Viewpoints 115
95Building Test-Day Confidence 563
44Identifying Claims 116
96Appendix 565
45Comparing Perspectives 118
97Essential Science Vocabulary 565
46Supporting Evidence 120
98Scientific Units and Measurements 577
47Evaluating Arguments 122
99Common Formulas and Conversions 582
48Chapter Review – 20 Practice Questions 124
100ACT Science Quick Reference Sheets 588
49Answer Key and Explanations 132
101Performance Tracker and Answer Record Sheets 595
50Chapter 6 135
102Acknowledgments 608
51Core Science Concepts 135
103About the Author 609
52Biology 135
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