Chemistry is the science of how matter changes and what it is made of.
Word in 30 Seconds
- A scientific field studying matter and its changes.
- Commonly taught as a subject in schools.
- Used to describe properties or reactions of substances.
1) 概览：化学（Chemistry）是自然科学的核心学科之一，主要探究物质的微观结构与宏观表现。它不仅解释了我们周围世界的物质构成，还揭示了物质如何通过化学反应转化为新物质。
2) 用法模式：“化学”既可以作为学科名称（如：我喜欢学化学），也可以作为修饰语（如：化学反应、化学性质）。在句子中，它通常作主语、宾语或定语。
3) 常见语境：在学校教育中，它是中学生必修的科学课；在工业生产中，它涉及化工产品、药品研发和材料科学；在日常生活中，我们常提到“化学添加剂”或“化学成分”。
4) 同义词辨析：与“物理”相比，化学更侧重于物质本质的改变（生成新物质），而物理侧重于物质形态或能量的变化。与“科学”相比，化学是科学的一个分支，范围更具体。
Examples
我高中最喜欢的科目是化学。
everydayMy favorite subject in high school was chemistry.
这个产品含有多种化学成分。
formalThis product contains various chemical ingredients.
他们在实验室里做化学实验。
academicThey are doing chemistry experiments in the lab.
Common Collocations
Common Phrases
化学课
chemistry class
化学键
chemical bond
Often Confused With
Physics deals with motion, energy, and forces. Chemistry focuses on the composition and transformation of substances.
Grammar Patterns
How to Use It
Usage Notes
Chemistry is a neutral, academic term. It is used in both formal educational settings and casual conversations about products. It is rarely used metaphorically in Chinese to describe human relationships, unlike in English.
Common Mistakes
Students sometimes confuse '化学' with '化工' (chemical engineering). '化学' refers to the science itself, while '化工' refers to the industrial application of chemistry.
Tips
Focus on the characters
The character '化' means 'change' or 'transform', and '学' means 'study'. Together, they literally mean the study of transformation.
Avoid confusion with physics
Don't confuse chemistry with physics. Remember that chemistry is about 'change of substance', while physics is about 'energy and motion'.
STEM education importance
In China, chemistry is a major subject in the 'Gaokao' exam. It is highly valued for students pursuing engineering or medicine.
Word Origin
The term is a modern translation of the Western concept of Chemistry. It combines the Chinese characters for 'change' and 'study' to represent the scientific inquiry into transformation.
Cultural Context
In Chinese culture, chemistry is viewed as a foundational 'hard' science. It is essential for students entering STEM fields at university.
Memory Tip
Think of '化' as 'change' and '学' as 'study'. Chemistry is the study of how things change!
Frequently Asked Questions
3 questions化学主要研究物质如何变成新物质，例如燃烧或生锈。物理则研究物质的形态、运动和能量，通常不改变物质本身的化学组成。
学习化学能帮助我们理解日常用品的成分，以及如何安全地处理各种物质。它是现代工业和医学的基础学科。
化学反应是指物质发生变化，产生出与原来性质完全不同的新物质的过程。例如，氢气和氧气反应生成水。
Test Yourself
我对___非常感兴趣，想研究物质的变化规律。
根据句子中提到的“研究物质的变化规律”，这是化学的定义。
Score: /1
Summary
Chemistry is the science of how matter changes and what it is made of.
- A scientific field studying matter and its changes.
- Commonly taught as a subject in schools.
- Used to describe properties or reactions of substances.
Focus on the characters
The character '化' means 'change' or 'transform', and '学' means 'study'. Together, they literally mean the study of transformation.
Avoid confusion with physics
Don't confuse chemistry with physics. Remember that chemistry is about 'change of substance', while physics is about 'energy and motion'.
STEM education importance
In China, chemistry is a major subject in the 'Gaokao' exam. It is highly valued for students pursuing engineering or medicine.
Examples
3 of 3我高中最喜欢的科目是化学。
My favorite subject in high school was chemistry.
这个产品含有多种化学成分。
This product contains various chemical ingredients.
他们在实验室里做化学实验。
They are doing chemistry experiments in the lab.
Related Content
This Word in Other Languages
Related Vocabulary
More science words
吸收
A1To absorb; to take in.
海拔
B1The height of an object or place above sea level.
属性
B1A quality or feature that is typical of or belongs to something or someone.
生物
B1Any living thing, or the study of living organisms. Basic term for IELTS biology-related reading passages.
模糊
A1Blurry; vague; indistinct.
呼吸
A1To breathe; respiration.
燃烧
A1To burn; combustion.
计算
A1To calculate; to compute; to determine a value mathematically.
推算
B1To calculate, estimate, or figure out something using data, logic, or mathematical methods. It implies a process of reasoning from known facts to unknown values.
校准
B1To calibrate, adjust, or check for accuracy against a standard. It is used for instruments, data, or plans.
