AQA综合科学 思维导图 章节串联 实验清单
复习科学科目时，很多人会把整本书的标题抄成一张大图，抄完贴在墙上。三周后再看，图上只剩标题，没有一条线能解释两个概念为什么连着。这张图没有起作用，因为它记录的是目录，不是理解。思维导图真正有用的地方，在于逼你把关系说清楚。下面十二个做法都围绕一件事：让图上的每一条线都能读成一句话。
Most revision mind maps fail for a boring reason: they copy the contents page. A map made of headings tells you where a topic sits in the book, not how the ideas inside it connect. Every step below works towards one test: read any link on the page aloud as a full sentence, and see whether it survives.
先照 specification 的 24 个 topic 画主枝
AQA 综合科学（8464）的 specification 把内容分成 24 个 topic，生物 7 个、化学 10 个、物理 7 个。这些 topic 就是主枝的来源，不必自己发明一套分类。把 24 个名字抄在纸上，挑出这次要复习的 5 到 6 个。其余的先空着，留到下一轮再加。这样一张图不会一次摊满整面墙。很多学生以为思维导图越全越好，实际上第一版只要主干对得上考纲就够了。主枝写英文原名比写中文省事，考纲里的小标题直接照抄即可。画的时候用铅笔，等确认主干没错再上色，主枝定错的话后面所有细节都要返工。
The AQA Combined Science (8464) specification divides content into 24 topics: seven in biology, ten in chemistry, seven in physics. Those headings are the honest top branches of any map. Start with five or six of them, not all 24, because a wall-sized map made in one evening is rarely consulted again. Copy the English heading verbatim, since translating it creates a second vocabulary you will never meet in a paper.
中心词写一个具体知识点，不写科目名
中心圆圈里放的是这次要解决的那一个问题，例如化学反应速率，或者导线的电阻与长度的关系。写生物这种科目名没有信息量，一张图也讲不完一整门课。中心词越具体，分支越容易收敛。判断标准很简单，如果这个中心词能对应试卷上的一道大题，位置就选对了。常见的错误是把整章标题放在中心，画到第三层就写不下去。这时候回到 specification 里找那个更小的标题，重新开一张图。一张图里出现两个以上中心词，就拆成两张，不要硬塞在一起。
Put one question in the middle: the rate of a chemical reaction, or how the length of a wire changes its resistance. A subject name gives you nothing to branch from, and no single page can hold a whole course. A useful check is whether the centre could plausibly be the title of one long exam question; if it is a whole chapter, you will run out of things to write by the third layer.
分支按试卷分区，不按课本页码
8464 的六张试卷各自考固定的内容，生物 Paper 1 是 topic 1 至 4，生物 Paper 2 是 topic 5 至 7，化学与物理同理。把同一张试卷的内容画在同一侧，复习时就能整块调用。课本页码会随版本调整，试卷分区多年不变。按试卷分区还有一个好处，看到一道题就能定位到哪一枝。错题本上的题号也可以标在对应分枝旁边，图于是变成了索引。同一张试卷的内容最好不超过 8 个主枝，超过说明切分还不够细。
Each of the six papers tests a fixed block of content, so grouping topics by paper keeps a whole block retrievable in one go. Page numbers move between editions; paper boundaries do not. Adding question numbers from your error log beside the relevant branch turns the map into an index rather than a second textbook. Where one paper needs more than eight branches, the cutting is still too coarse.
公式与单位放同一枝，先查公式表
公式和它的单位必须写在一起，否则考场上容易算对数字写错单位。比热容、密度、波速这几个公式都按这个规矩处理。写之前先查考试局给了什么：OCR 官网 2026 年 9 月的学科通知写明，GCSE 物理与综合科学的公式与方程表在 2025 至 2027 年继续随卷提供，这一安排由 DfE 与 Ofqual 在 2024 年确认。公式表上有的公式不必背，但每个符号代表什么、单位怎么换算要能说清。不少学生把公式表当成不用学的理由，结果在换单位这一步丢分。单位换算那一行写在公式正下方，考试时眼睛不用来回找。密度里的立方厘米与立方米，旁边直接写出倍数关系。
Keep each equation next to its units, or you will lose marks to a conversion rather than to the physics. Before you decide what to memorise, check what the board supplies: the OCR subject update from September 2026 confirms that equation sheets stay in the paper for GCSE physics and combined science through 2025 to 2027, following the DfE and Ofqual decision in 2024. Knowing a formula is printed does not remove the need to say what each symbol means.
必做实验单独开一枝，写变量与误差
综合科学的 21 个必做实验分布在三科里，生物 7 个、化学 6 个、物理 8 个。AQA 官网写明，考卷里来自这些实验的题目至少占全部分数的 15%。所以每个实验都值得一枝，枝上写自变量、因变量和控制变量。再补一行最常见的误差来源，例如测比热容时热量散失，测电阻时导线发热。这些位置正是阅卷时给分的地方，写得出来和写不出来差一分到两分。控制变量要把三个都写全，只写一个通常不够。题目问怎样改进实验时，答案往往就落在误差那一行上。
Twenty-one required practicals sit inside the specification, and AQA states that questions drawing on them make up at least 15 per cent of the marks. Give each one its own branch carrying the independent, dependent and control variables. Add the single most likely source of error, such as heat loss when measuring specific heat capacity. Examiners award marks for that sentence, not for a photograph of the apparatus.
一张图只放一个学科
生物、化学、物理的推理方式不一样，混在一张图上会让关系词互相打架。生物多用因果链，化学多用条件与守恒，物理多用变量之间的定量关系。分三张图，每张图的主枝数量控制在 6 到 8 个。想串联三科时另画一张小的关联图，只放跨学科的那几个点，例如能量、粒子模型、图像斜率。别在第一版就做这件事，先把单科图做顺。三张图可以用同一种符号体系，摆在一起也能互相参照。
Biology argues through causal chains, chemistry through conditions and conservation, physics through quantitative relationships between variables. Putting them on one sheet forces those three logics to share the same vocabulary, and the links stop being readable. Separate sheets with six to eight branches each work; a small cross-subject map on energy, particles and gradients can come later, once each single-subject map is clean.
连线要写关系词，不画空箭头
两个概念之间那条线本身要带信息，写导致、抑制、成正比、消耗、随温度升高。空箭头画得再多，也只能证明你看过书。关系词写不出来，说明这个位置还没有真正理解。这一步最容易糊弄自己，看着图觉得眼熟，合上书却说不出为什么。有效的做法是把每条线读成一句话，念出来通顺才算过。关系词尽量用动词，少用形容词。一条线读不通，就说明这句话还没想清楚。
A line between two concepts should carry a verb: causes, inhibits, is proportional to, is used up when temperature rises. Bare arrows only prove you have seen the page. If you cannot name the relation, that branch has not been learned yet, and reading the map aloud sentence by sentence is the fastest way to find out which ones those are. Adjectives hide the gap; verbs expose it.
画完合上默写一遍
图不是用来收藏的。画完之后合上书，拿一张白纸把主干和关键分支默写出来。默写不出来的地方就是空白点，回到书上只看那几处。Karpicke 与 Blunt 在 2011 年发表于 Science 的研究比较过两种做法，一边看材料一边画概念图，与读完之后合上做回忆练习。结果是回忆练习的学习效果更好，而且当测验本身就是画图时，这个优势依然存在。所以图要画，画完必须合上再写一遍。第二遍默写用铅笔，漏掉的部分补在原来的位置，不要另起一张。
A map you never close the book on is decoration. Karpicke and Blunt, writing in Science in 2011, compared building a concept map with the text in front of you against closing the text and recalling it: retrieval won, and it still won when the final test was itself drawing a map. The practical consequence is modest and dull, which is why it gets skipped. Draw the map, close the book, redraw it from memory, then compare.
用错题回填空白分枝
每做完一套卷，把错题涉及的知识点标在图上。同一枝上标三次以上的，就是这一科的薄弱区。下一步不是重画整张图，而是只给那一枝加两层细节。比如电学反复错在串并联的电流分配，就把那一处拆到具体数值。错题回填的好处是图会跟着你的实际错误长大，而不是跟着目录长大。一个学期下来，图上墨迹最重的地方，通常就是你真正的短板。标错题时只写知识点和一个数字，不必抄题干原文。
Mark every error from a past paper onto the relevant branch, and three marks on the same branch tell you where the weakness actually sits. The fix is two extra layers on that one branch, not a fresh copy of the whole page. Maps that grow from your mistakes end up looking quite different from maps that grow from a contents page, and the difference is usually visible in the ink.
颜色与符号只承载一种含义
颜色一多就不再有提示作用。定三条规则就够，红色标记得不住的定义，蓝色标公式，荧光笔标错过两次以上的点。符号也一样，星星只代表必考，问号只代表还没弄懂。规则写在图的角落，隔一周回来看还能读懂。很多学生以为颜色越多越清楚，实际上一张图超过四种颜色就开始互相干扰。规则定下之后这个学期就别改，改了以后旧图上的颜色没法解释。
Decide three rules and keep them: red for definitions you keep forgetting, blue for equations, highlighter for anything missed twice. Symbols need the same discipline, with a star meaning only that something is examined every year and a question mark meaning only that it is unresolved. Write the key in a corner, because in a week the colours will mean nothing unless you do.
考前两周只补断点，不重画整张图
考前两周重画整张图很浪费时间。这时候只做两件事，补默写时断掉的分支，把必做实验的变量再对一遍。每张图控制在一页 A4 以内，能在一分钟内扫完。图太大的话，考前一晚根本看不进去。每周固定一个时间做一次合书默写，比每天重画有效得多。断点补完之后，图上剩下的部分就不用再动。补的时候只看那一枝的前后两层，不要顺手把整张图重新排版。
With two weeks to go, redrawing is a poor use of an evening. Repair the branches that broke during recall and re-check the variables for the required practicals; keep each map inside one side of A4 so it can be scanned in under a minute. A fixed weekly slot for closed-book redrawing does more than daily copying, and once the breaks are repaired the rest of the page can stay untouched.
常见误区：把图画成课本目录
最常见的错误是把思维导图画成课本目录，一级一级抄标题，抄完没有留下任何关系。检查方法很直接，遮住所有文字只看线条，能不能说出两个节点之间是什么关系。说不出来，这张图就只是排版好看的笔记。EEF 官网 2018 年发布的《Metacognition and Self-Regulated Learning》指导报告指出，把学习方法放进具体学科内容里教，效果远好于单独上一门学习方法课。思维导图也一样，它必须长在具体的知识点上。判断一张图有没有用，最快的方法是隔三天不给提示地讲给同学听，看自己能不能讲下去。
The commonest failure is a contents page with colours. Cover every label and look only at the lines: if you cannot say what any two nodes have to do with each other, the map is a neatly laid out set of notes and nothing more. The EEF guidance report on metacognition and self-regulated learning, published in 2018, makes the same point about study skills in general: they work when taught inside subject content, not as a separate course.
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