Usage note
化学是研究物质变化的学科。
huà xué shì yán jiū wù zhì biàn huà de xué kē。
化学 is the study of matter and its changes.
Context note
化学常用于科学、实验和学校。
huà xué cháng yòng yú kē xué 、 shí yàn hé xué xiào。
It is often used with science, experiments, and school.
5 examples
他喜欢化学。
tā xǐ huan huà xué。
He likes chemistry.
化学课很有意思。
huà xué kè hěn yǒu yì sī。
Chemistry class is very interesting.
我们做了化学实验。
wǒ men zuò le huà xué shí yàn。
We did a chemistry experiment.
化学有点难。
huà xué yǒu diǎn nán。
Chemistry is a bit difficult.
老师解释了化学反应。
lǎo shī jiě shì le huà xué fǎn yìng。
The teacher explained the chemical reaction.
5 mini stories
课堂上，老师带大家做化学实验。
kè táng shàng， lǎo shī dài dà jiā zuò huà xué shí yàn。
In class, the teacher led everyone in a chemistry experiment.
她认真记化学公式。
tā rèn zhēn jì huà xué gōng shì。
She carefully memorized chemistry formulas.
化学让他了解物质的变化。
huà xué ràng tā liǎo jiě wù zhì de biàn huà。
Chemistry helped him understand changes in matter.
他们在实验室学习化学。
tā men zài shí yàn shì xué xí huà xué。
They studied chemistry in the lab.
这门课虽然难，但她很喜欢化学。
zhè mén kè suī rán nán， dàn tā hěn xǐ huan huà xué。
This subject is hard, but she likes chemistry very much.
Mini dialogue
喜欢科学
A
你喜欢化学课吗？
Nǐ xǐhuān huàxué kè ma?
Do you like chemistry class?
B
喜欢，化学实验很有趣。
Xǐhuān, huàxué shíyàn hěn yǒuqù.
Yes, chemistry experiments are very interesting.
做实验
A
化学实验要注意安全。
Huàxué shíyàn yào zhùyì ānquán.
Be careful with safety during chemistry experiments.
B
好的，我会戴好护目镜。
Hǎo de, wǒ huì dài hǎo hùmùjìng.
Okay, I will wear my safety goggles.
Related words and contrasts
related
物理
wù lǐ
physics
Physics is another science subject often studied alongside chemistry.
related
生物
shēng wù
biology
Biology is the study of living things, related to chemistry in life sciences.
related
实验
shí yàn
experiment
Chemistry often involves experiments.