本书包含一套完整的科学推理测试题目，共计302道单题，并提供ACT官方答案和详细解析；提供丰富的在线科学推理习题，让考生活学活用巩固知识；结合范例给出图形、图表和数据的说明，提供详细的答题策略，使考生有效掌握技巧的运用方法；给出科学推理考试中常见的高频科学词汇，配合定义或详细讲解，加深对词汇的记忆。本书为考生准备ACT考试提供来自出题方的丰富的备考资料。

Introduction
Chapter 1: Data Representation Passages
Passages on the ACT Science Test
What You Can Expect from a Data Representation Passage
Trying Your Hand at a Data Representation Passage
Summary
Chapter 2: Research Summaries Passages
What You Can Expect from a Research Summaries Passage
How You Should Approach a Research Summaries Passage
Trying Your Hand at a Research Summaries Passage
Sample Question Answers and Analysis
Summary
Chapter 3: Conflicting Viewpoints Passages
What You Can Expect from a Conflicting Viewpoints Passage
Trying Your Hand at a Conflicting Viewpoints Passage
Summary
Chapter 4: Reporting Category: Interpretation of Data
Understanding What a Reporting Category Is
Interpretation of Data
Summary
Chapter 5: Reporting Category: Evaluation of Models, Inferences,and Experimental Results
Evaluation of Models, Inferences, and Experimental Results
Summary
Chapter 6: Reporting Category: Scientific Investigation
Scientific Investigation
Summary
Chapter 7: The Scientific Method
Understanding What Science Is on the ACT
Understanding What the Scientific Method and the Process of Science Are
Steps of the Scientific Method
Experimental Design
Summary
Chapter 8: Graphs and Charts on the ACT Science Test
Reading Graphs
Understanding Data Shown in Tables
Relationships Shown in Graphs and Data Sets
Summary
Chapter 9: Scientific Units and Measurements
Units in Science
Understanding Why Units Matter for the ACT Science Test
The SI System of Units (Metric Units)
Review of the Many Types of Units and Measures You May Encounter
Conversion between Metric and Nonmetric Units
Summary
Chapter 10: Science Vocabulary
The Vocabulary of Science
General Scientific Terms
Chemistry and Biology Terminology
Physics Terminology
Properties of a Wave and the Electromagnetic Spectrum
Concentration, pH, and Acid-Base Chemistry
Summary
Chapter 11: Practice Questions
Chapter 12: Answers and Explanations
Answer Key
Explanatory Answers