全文 The whole set, with pinyin and English
看图 The pictures
图①：科学展前，我和丽丽用黏土做火山模型，桌上放着一瓶醋。
kē xué zhǎn qián wǒ hé lì lì yòng nián tǔ zuò huǒ shān mó xíng zhuō shàng fàng zhe yì píng cù
Before the science fair, Lili and I make a volcano model out of clay, with a bottle of vinegar on the table.
图②：第一次试验，火山口只冒出了几个小泡泡。
dì yī cì shì yàn huǒ shān kǒu zhǐ mào chū le jǐ gè xiǎo pào pào
In our first test, only a few small bubbles come out of the crater.
图③：我们查了书，把醋倒进杯子里，准备再试一次。
wǒ men chá le shū bǎ cù dào jìn bēi zi lǐ zhǔn bèi zài shì yí cì
We look it up in a book and pour vinegar into a cup, ready to try again.
图④：科学展上，火山喷出了红色的“岩浆”，老师和同学都看呆了。
kē xué zhǎn shàng huǒ shān pēn chū le hóng sè de yán jiāng lǎo shī hé tóng xué dōu kàn dāi le
At the fair the volcano spurts red lava, and the teacher and classmates stare in amazement.
想一想 Guiding questions
问：你们打算做什么实验？准备了什么材料？
nǐ men dǎ suàn zuò shén me shí yàn zhǔn bèi le shén me cái liào
What experiment did you plan to do, and what did you prepare?
答：我们打算做一个会喷发的火山模型，准备了黏土、醋和小苏打。
wǒ men dǎ suàn zuò yí gè huì pēn fā de huǒ shān mó xíng zhǔn bèi le nián tǔ cù hé xiǎo sū dá
We planned to make a volcano model that erupts, and we prepared clay, vinegar and baking soda.
问：第一次试验的结果怎么样？你们的心情如何？
dì yī cì shì yàn de jié guǒ zěn me yàng nǐ men de xīn qíng rú hé
How did the first test go? How did you feel?
答：第一次试验只冒出了几个小泡泡，我们觉得很失望。
dì yī cì shì yàn zhǐ mào chū le jǐ gè xiǎo pào pào wǒ men jué de hěn shī wàng
The first test only gave a few small bubbles, and we felt very disappointed.
问：你们是怎样找出问题的？
nǐ men shì zěn yàng zhǎo chū wèn tí de
How did you find out what was wrong?
答：我们翻开科学书仔细地查，发现原来是醋放得太少了。
wǒ men fān kāi kē xué shū zǐ xì de chá fā xiàn yuán lái shì cù fàng de tài shǎo le
We looked carefully in a science book and found that we had used too little vinegar.
问：第二次你们准备了什么？
dì èr cì nǐ men zhǔn bèi le shén me
What did you prepare the second time?
答：我们用杯子量了足够的醋，还加了几滴红色的食用色素。
wǒ men yòng bēi zi liáng le zú gòu de cù hái jiā le jǐ dī hóng sè de shí yòng sè sù
We measured enough vinegar in a cup and added a few drops of red food colouring.
问：科学展那天发生了什么事？
kē xué zhǎn nà tiān fā shēng le shén me shì
What happened on the day of the science fair?
答：我们把醋倒进火山口，红红的“岩浆”喷了出来，老师和同学都看呆了。
wǒ men bǎ cù dào jìn huǒ shān kǒu hóng hóng de yán jiāng pēn le chū lái lǎo shī hé tóng xué dōu kàn dāi le
We poured the vinegar into the crater, red lava spurted out, and the teacher and classmates stared in amazement.
问：这次经历让你学到了什么？
zhè cì jīng lì ràng nǐ xué dào le shén me
What did this experience teach you?
答：我学到了做实验不能怕失败，只要找出问题再试一次，就有可能成功。
wǒ xué dào le zuò shí yàn bù néng pà shī bài zhǐ yào zhǎo chū wèn tí zài shì yí cì jiù yǒu kě néng chéng gōng
I learnt not to be afraid of failing: if you find the problem and try again, you may well succeed.
好词好句 Good words and sentences
科学展 模型 黏土 小苏打 屏住呼吸 垂头丧气 恍然大悟 再接再厉 目瞪口呆 一年一度
科学展 kē xué zhǎn: science fair; 模型 mó xíng: model; 黏土 nián tǔ: clay; 小苏打 xiǎo sū dá: baking soda; 屏住呼吸 bǐng zhù hū xī: to hold one's breath; 垂头丧气 chuí tóu sàng qì: dejected, hanging one's head; 恍然大悟 huǎng rán dà wù: to suddenly understand; 再接再厉 zài jiē zài lì: to keep trying even harder; 目瞪口呆 mù dèng kǒu dāi: dumbstruck; 一年一度 yì nián yí dù: once a year
我们屏住呼吸，眼睛一眨不眨地盯着火山口。
wǒ men bǐng zhù hū xī yǎn jīng yì zhǎ bù zhǎ de dīng zhe huǒ shān kǒu
We held our breath, eyes fixed on the crater without blinking.
“哗”的一声，红红的“岩浆”从火山口喷了出来，大家都看得目瞪口呆。
huā de yì shēng hóng hóng de yán jiāng cóng huǒ shān kǒu pēn le chū lái dà jiā dōu kàn de mù dèng kǒu dāi
With a whoosh, bright red lava spurted out of the crater, and everyone was dumbstruck.
失败是成功之母，只要不放弃，就有成功的一天。
shī bài shì chéng gōng zhī mǔ zhǐ yào bú fàng qì jiù yǒu chéng gōng de yì tiān
Failure is the mother of success: as long as you don't give up, the day of success will come.
范文 Sample composition: 会喷发的火山
上个月，学校举办了一年一度的科学展。
shàng gè yuè xué xiào jǔ bàn le yì nián yí dù de kē xué zhǎn
Last month the school held its yearly science fair.
我和丽丽决定合作，做一个会“喷发”的火山模型。
wǒ hé lì lì jué dìng hé zuò zuò yí gè huì pēn fā de huǒ shān mó xíng
Lili and I decided to work together and make a volcano model that could erupt.
科学展前一个星期，我们开始动手。
kē xué zhǎn qián yí gè xīng qī wǒ men kāi shǐ dòng shǒu
A week before the fair we got to work.
我们先用黏土捏出一座小山，然后在山顶挖了一个洞，当作火山口。
wǒ men xiān yòng nián tǔ niē chū yí zuò xiǎo shān rán hòu zài shān dǐng wā le yí gè dòng dàng zuò huǒ shān kǒu
First we shaped a small hill out of clay, then dug a hole at the top as the crater.
丽丽还把小山涂成咖啡色，看起来就像一座真的火山。
lì lì hái bǎ xiǎo shān tú chéng kā fēi sè kàn qǐ lái jiù xiàng yí zuò zhēn de huǒ shān
Lili painted the hill brown so that it looked like a real volcano.
接着，我们准备了一瓶醋和一包小苏打。
jiē zhe wǒ men zhǔn bèi le yì píng cù hé yì bāo xiǎo sū dá
Next we got a bottle of vinegar and a packet of baking soda ready.
看着做好的火山，我们都很得意。
kàn zhe zuò hǎo de huǒ shān wǒ men dōu hěn dé yì
Looking at the finished volcano, we were both very pleased with ourselves.
第一次试验开始了。丽丽把小苏打放进火山口，我倒了一点醋进去。
dì yī cì shì yàn kāi shǐ le lì lì bǎ xiǎo sū dá fàng jìn huǒ shān kǒu wǒ dào le yì diǎn cù jìn qù
The first test began. Lili put the baking soda into the crater and I poured in a little vinegar.
我们屏住呼吸，眼睛一眨不眨地盯着火山口。
wǒ men bǐng zhù hū xī yǎn jīng yì zhǎ bù zhǎ de dīng zhe huǒ shān kǒu
We held our breath, eyes fixed on the crater without blinking.
没想到，火山口只冒出了几个小泡泡，就再也没有动静了。
méi xiǎng dào huǒ shān kǒu zhǐ mào chū le jǐ gè xiǎo pào pào jiù zài yě méi yǒu dòng jìng le
To our surprise, only a few small bubbles came out, and then nothing more happened.
我们垂头丧气地坐在桌子旁边。
wǒ men chuí tóu sàng qì de zuò zài zhuō zi páng biān
We sat by the table, hanging our heads.
我不甘心，翻开科学书仔细地查。
wǒ bù gān xīn fān kāi kē xué shū zǐ xì de chá
I wasn't ready to give up, so I opened a science book and looked carefully.
看了一会儿，我恍然大悟：“原来醋放得太少了！”
kàn le yí huì er wǒ huǎng rán dà wù yuán lái cù fàng de tài shǎo le
After a while it suddenly dawned on me: "We used too little vinegar!"
于是，我们找来一个杯子，量好足够的醋，还加了几滴红色的食用色素。
yú shì wǒ men zhǎo lái yí gè bēi zi liáng hǎo zú gòu de cù hái jiā le jǐ dī hóng sè de shí yòng sè sù
So we found a cup, measured out enough vinegar and added a few drops of red food colouring.
丽丽说：“失败是成功之母，我们再接再厉吧！”
lì lì shuō shī bài shì chéng gōng zhī mǔ wǒ men zài jiē zài lì ba
Lili said, "Failure is the mother of success. Let's keep trying even harder!"
科学展那天，很多老师和同学都来参观。
kē xué zhǎn nà tiān hěn duō lǎo shī hé tóng xué dōu lái cān guān
On the day of the fair, many teachers and classmates came to look.
李老师走到我们的桌子前，我们向她介绍了实验的原理。
lǐ lǎo shī zǒu dào wǒ men de zhuō zi qián wǒ men xiàng tā jiè shào le shí yàn de yuán lǐ
When Miss Li came to our table, we explained how the experiment works.
然后，我把整杯醋倒进火山口。
rán hòu wǒ bǎ zhěng bēi cù dào jìn huǒ shān kǒu
Then I poured the whole cup of vinegar into the crater.
“哗”的一声，红红的“岩浆”从火山口喷了出来，大家都看得目瞪口呆。
huā de yì shēng hóng hóng de yán jiāng cóng huǒ shān kǒu pēn le chū lái dà jiā dōu kàn de mù dèng kǒu dāi
With a whoosh, bright red lava spurted out of the crater, and everyone was dumbstruck.
李老师笑着说：“你们的实验做得真成功！”
lǐ lǎo shī xiào zhe shuō nǐ men de shí yàn zuò de zhēn chéng gōng
Miss Li smiled: "Your experiment really worked!"
这次科学展让我明白，做实验不能怕失败。
zhè cì kē xué zhǎn ràng wǒ míng bái zuò shí yàn bù néng pà shī bài
This science fair taught me not to be afraid of failing in experiments.
只要找出问题，再试一次，就有可能成功。
zhǐ yào zhǎo chū wèn tí zài shì yí cì jiù yǒu kě néng chéng gōng
As long as we find the problem and try again, we may well succeed.
范文二 从丽丽的角度 From Lili's side
上个月学校举办科学展，我和志强一起做了一个火山模型。
shàng gè yuè xué xiào jǔ bàn kē xué zhǎn wǒ hé zhì qiáng yì qǐ zuò le yí gè huǒ shān mó xíng
Last month the school held a science fair, and Zhiqiang and I made a volcano model together.
我们用黏土做了一座小火山，又准备了醋和小苏打。
wǒ men yòng nián tǔ zuò le yí zuò xiǎo huǒ shān yòu zhǔn bèi le cù hé xiǎo sū dá
We made a small volcano out of clay and got vinegar and baking soda ready.
志强说，只要把醋倒进去，火山就会喷发。
zhì qiáng shuō zhǐ yào bǎ cù dào jìn qù huǒ shān jiù huì pēn fā
Zhiqiang said that once we poured in the vinegar, the volcano would erupt.
可是第一次试验失败了，火山口只冒出几个小泡泡。
kě shì dì yī cì shì yàn shī bài le huǒ shān kǒu zhǐ mào chū jǐ gè xiǎo pào pào
But the first test failed: only a few small bubbles came out of the crater.
我难过得差点哭了出来。
wǒ nán guò de chà diǎn kū le chū lái
I was so upset I nearly cried.
志强拍拍我的肩膀说：“别着急，我们一起找找原因吧。”
zhì qiáng pāi pāi wǒ de jiān bǎng shuō bié zháo jí wǒ men yì qǐ zhǎo zhǎo yuán yīn ba
Zhiqiang patted my shoulder: "Don't worry, let's find out why."
这时，志强翻开科学书查了查，发现我们的醋放得太少了。
zhè shí zhì qiáng fān kāi kē xué shū chá le chá fā xiàn wǒ men de cù fàng de tài shǎo le
Just then Zhiqiang looked it up in a science book and found we had used too little vinegar.
于是，我们用杯子量了更多的醋，又加了几滴红色素。
yú shì wǒ men yòng bēi zi liáng le gèng duō de cù yòu jiā le jǐ dī hóng sè sù
So we measured more vinegar in a cup and added a few drops of red colouring.
然后，我们在家里先试了一次，这次成功了。
rán hòu wǒ men zài jiā lǐ xiān shì le yí cì zhè cì chéng gōng le
Then we tried it once at home, and this time it worked.
科学展那天，我们把醋倒进火山口，红色的泡沫一下子喷了出来。
kē xué zhǎn nà tiān wǒ men bǎ cù dào jìn huǒ shān kǒu hóng sè de pào mò yí xià zi pēn le chū lái
On the day of the fair, we poured the vinegar into the crater and red foam burst out at once.
李老师和同学们都拍手叫好。
lǐ lǎo shī hé tóng xué men dōu pāi shǒu jiào hǎo
Miss Li and our classmates all clapped and cheered.
我心想：幸好我们没有放弃！
wǒ xīn xiǎng xìng hǎo wǒ men méi yǒu fàng qì
I thought to myself: it's a good thing we didn't give up!
这次科学展让我明白，遇到失败时不要灰心。
zhè cì kē xué zhǎn ràng wǒ míng bái yù dào shī bài shí bú yào huī xīn
This fair taught me not to lose heart when I fail.