1、FirstlysecondlythirdlyfinallyFirstthennextafter thatlastlymake good preparations forIt is important thatdo the experiment as followstwo hours later after several daysfind a better way of doing be under observation make a good study of,描写原因和结果：The reason is that.This is becauseresult from/in lead toc
2、ause,Finally,we put the crucible with the aluminum in it on the balance and weighed it again and it weighed a little more than before.,实验方法：1.在烧杯中放入适量的水;2.把温度计放入水中；3.点燃酒精灯，仔细观察温度计和水的变化。实验结果：1.在水温60以下时，随着水温不断升高，杯底气泡（bubble）越来越多，有少量气泡 上升；2.水温在6090之间时，杯底气泡逐渐减 少，气泡上升逐渐加快；3.达到100时，气泡上升越来越快。温度不 在变化。烧杯（bea
3、ker）;温度计（thermometer）;酒精灯（alcohol burner）,【案例呈现】今天你们在化学课上做了一个实验，请按照以下提示写一篇词数100左右的英文实验报告。内容如下：实验目的：检验铝在空气中加热后，重量是否会发生变化。实验器材：铝片、酒精灯、天平、坩埚钳实验步骤：第一步：把铝片放在坩埚里，然后放在天平上称重。第二步：点燃酒精灯，将盛有铝片的坩埚移到酒精灯上 加热三分钟。第三步：再称坩埚和铝片的重量。比加热前略重一些。实验结论：铝在空气中加热后，重量会发生变化。,1.实验报告属于 文。2.审定篇章结构：全文可分 个自然段：第一段：说明实验的 和所需要的 实验。第二段：实验的
4、、及。第三段：实验。,说明,三,目的,器材,方法,过程,结论,结果,描写实验目的：We carry out an experiment to find outThe aim of the experiment is to find,with the purpose of discoveringdo research onin the hope of,实验目的：观察水的沸腾温度。实验器具：酒精 灯（alcohol burner）,描写实验用品：To carry out/make/do the experiment,you needThe following things are needed:a
5、ndFollowing apparatus is used:and,实验目的：酒精 灯（alcohol burner）,描写实验结论：from this experiment we can concludein conclusion,We draw/come to the conclusion thatWe can learn from the experimentWe can find out thatYou can see/discover,结论：水在100时开始沸腾。,请根据以下信息，写一份100词左右的关于“水的沸腾”的实验报告。观察水的沸腾。酒精 灯（alcohol burner）实验方法：结论：,Bye-bye,
