本书系统性强，涵盖内容广泛，引导学生在学习英语的同时，得以洞悉科学概貌。所有科学概念都被简明扼要地表达出来，通过清晰的例证、精练的习题，让学生逐步掌握。
本书习题精炼包括什么是科学、生物科学、物理科学和地理科学4个单元。单元中的每一课都以**词汇开篇，从细胞到食物链，从物质到能源，从地球到宇宙，涉及一个个具体的研究领域或方向，向学生展示了科学的基本内涵以及各个学科的大致轮廓与基本知识。

Unit 1: What Is Science?
Lesson 1 The Scientific Method
2 Tools of Science
3 Fields of Science
Unit 2: Life Science
Lesson 4 Cells
5 Classification
6 Vertebrates and Invertebrates
7 Animal Classes
8 Warm-blooded and Cold-blooded
9 Plant Structure and Function
10 Photosynthesis
11 Seed Plant Reprod uction
12 Genetics
13 Human Reproduction
14 Human Body Structure
15 Nerves and Senses
16 Energy Systems
17 Ecosystems
18 Food Chains
Unit 3: Physical Science
lesson 19 Properties of Matter
20 States of Matter
21 Energy
22 Change in Matter
23 Forces
24 Motion and Work
25 Simple Machines
26 Heat and Temperature
27 light
28 Sound
29 Electricity
30 Magnetism
31 Energy Resources
Unit 4: Earth Science
Lesson 32 The Earth
33 The Earth's Features
34 Plate Tectonics
35 Rocks and Minerals
36 Weathering and Erosion
37 The Atmosphere
38 The Water Cycle
39 Weather
40 Seasons and Climate
41 Fossils
42 Geological Time
43 Oceans
44 Astronomy
Glossary

一书在握，一举兼得，在学习英语中，丰富科学知识，在学习科学中，强化英语思维。