Senior High Edition · Grades 10–12
Today’s exams reward reading data and judging experiments, not memorization. These two books train exactly that.
Background: original pages from the 2025 and 2026 GSAT Science papers
On GSAT Science and AST Chemistry and Biology questions about variables
47.5%
is the average share of points lost.
Across 12 variable questions from 2022 to 2026, test-takers lost nearly half of the available points on average. At senior high level, working out what an experiment actually changed and what it measured still trips up a great many students.
§ 01
Where it goes wrongThe Mismatch
When science scores stall, the first thought is usually effort. But lay five years of exams side by side, and the issue is rarely how much students practice. It is whether they practice the right skills.
Review books are not wrong. They just skip this part
Review books cover concepts and calculation well. But judging experiments and controlling variables? No material is dedicated to training it.
Source: CEEC accuracy and discrimination tables by subject (GSAT · AST, ROC years 111–115, i.e. 2022–2026). Questions: GSAT Science 2022 Q25 and Q56, 2023 Q10, 2025 Q29; AST Biology 2022 Q29 and Q30, 2023 Q34, 2026 Q5, Q32 and Q34; AST Chemistry 2025 Q14, 2026 Q23. Multiple-answer questions use the officially published scoring rates.
§ 02
What to trainTwo Skills, Two Books
Making sense of unfamiliar science material is one skill. Judging whether an experiment was done right is another. We gave each its own book, so each can go deep, and there are English books too.
2027 Edition cover
Book one
Trains understanding
50 long-form science articles, 5 questions each. Faced with science material they have never read, students learn to find the key points, read the graphs and draw conclusions. This is the book for the many graph and data questions on the GSAT and AST.
2027 Edition cover
Book two
Trains judgment
A whole book devoted to one thing: understanding experiments, evaluating designs, weighing evidence. Variables, control groups, whether a conclusion holds up. This is the book for the variable and experimental-design questions the GSAT and AST keep returning to.
Plus two more · English
About 1 in 4 reading passages on the GSAT English paper is about scientific research. The English books have their own articles and questions, written in English for long-form reading practice; the science gives students a reason to read to the end. Science for depth, English for breadth: 2 + 2, all in one.
§ 03
Unlock Inquiry · How the distractors are builtMisconceptions
The CEEC publishes the accuracy rate for every question, along with how the top and bottom thirds of test-takers answered. That data puts a number on how students go wrong.
Unlock Inquiry is designed to hit those weak spots
The official data shows exactly how students go wrong. We take the misconceptions that draw the most test-takers and turn them into wrong options. Fall into these traps at home, and they won’t catch you on exam day.
§ 04
Unlock Science Reading · Exam formatSame Layout
Font size, page layout and graph style all follow the GSAT and AST papers.
What they practice is what they will see on exam day
Every day, students work with the exam’s type, the exam’s layout, the exam’s graphs. Once it feels familiar, exam day feels calmer, and all their energy goes into the questions.
§ 05
Built into both booksDiagnosis
Copying the right answer is not the same as correcting a mistake. So we built diagnosis into the structure of the questions.
Unlock Science Reading: 5 questions per unit, one skill per question
01
The answer is right there in the text. A first point on the board, every time.
02
Taking a principle from the textbook into a situation they have never seen.
03
Seeing the relationships the numbers imply but never state.
04
Is the experiment well designed? Does the conclusion hold up?
05
Pulling ideas together across paragraphs, or explaining the reasoning behind an answer.
Every question is labeled with the skill it trains
A wrong answer points straight to a skill. Missing evaluating-inquiry questions three units in a row means that skill needs work. Three units give you three data points, with no separate test needed. Unlock Inquiry works the same way: every question maps to one of six inquiry skills.
Unlock Science Reading · Unit 09
Rewriting One Switch to Treat a Genetic Disease
Choose your answers
This unit
3/ 5 correct
To review
This semester · 14 units
After five answers, you see
Each question maps to one skill, so the missed question shows which skill is still shaky.
Beyond the right answer, you see the step where your child likely got stuck.
Every unit adds to the record. After a few units, the skill that keeps slipping is plain to see.
Screens are for illustration. The live diagnosis is in Chinese.
Of the reading passages on the GSAT English paper,
27.5%
Of 40 GSAT English reading sets from 2022 to 2026, about 1 in 4 is about scientific research.
§ 06
Why the books work as a pairCross-Subject
We also went through all 87 reading sets on the 2022–2026 GSAT Chinese and English papers. In English, about 1 in 4 is about scientific research, and they appear on the Chinese paper too. Science has long since spread beyond the science paper.
The passage covers ecological research after wolves were reintroduced to Yellowstone, and newer studies that challenge the earlier account. The question asks how the words of three scholars support the argument: a scientific-argumentation question.
The passage reports research on retina regeneration in zebrafish: what happens when GABA is lowered, and the next step of testing it in mice. One question asks which sentence is an opinion rather than a fact: a scientific-inquiry question.
One skill set, three subjects
Unlock Science Reading trains understanding; Unlock Inquiry trains judgment. Science, Chinese and English all test both. That is why the books are designed as a set, and why we made the English books.
§ 07
Pre-orderPreorder
Pre-order timeline
Super early bird only · until 2026/11/30
Buy science,
get English
Buy the science book and receive the English-subject book with the same title free.
Free shipping from one book, outlying islands included
Junior and senior high editions share one pre-order page: choose the school level, then the science or English books. (The order page is in Chinese.)
§ 08
SampleSample Pages
The 2027 edition features all-new topics; final content may differ in the printed book.
Unlock Inquiry · Science
Unlock Inquiry · English
Unlock Science Reading · Science
Unlock Science Reading · English
Source material
The U.S. Food and Drug Administration’s 2024 testing of retail dairy for H5N1 bird flu: about one in five samples contained fragments of viral genetic material, but no live virus could be cultured. The heating data is scenario data written according to microbiological principles.
Skill trained by each question
1.(C) 2.(A) 3.(C) 4.(B) 5.(C)
Source material
In April 2025, Colossal Biosciences announced three gene-edited “dire wolves,” and scientists were divided. The article comes with a data card, modeled on GSAT English reading sets.
Skill trained by each question
1.(C) 2.(B) 3.(D) 4.(A) 5.(B) 6.(C) 7.(A) edited (modified also accepted) (B) genetically (C) acquire (learn also accepted)
Source material
In December 2023, the U.S. FDA approved the first CRISPR gene-editing therapy, for sickle cell disease. The fetal hemoglobin curve is scenario data.
Skill trained by each question
1.(B) 2.(C) 3.(B) 4.(C) 5.(A)
Source material
NASA’s 2022 DART mission struck the asteroid Dimorphos and shortened its orbit by about 33 minutes, far beyond the 73-second threshold for success.
Skill trained by each question
1.(B) 2.(C) 3.(D) 4.(A) 5.(B) 6.(C) 7.(A) kinetic (B) recoil (momentum also accepted) (C) warning
§ 09
QuestionsFAQ
Every question passes five checks:
Because the GSAT and AST papers are printed in black and white.
Closely:
They can still keep up:
Very little:
One is fine. The two books train two sides of the same skill set:
No. They are two different books:
GSAT and AST questions and statistics are published by the College Entrance Examination Center (CEEC). STARK Lab has no partnership, license or endorsement from the CEEC.
Super early bird, until November 30, 2026: buy the science book and receive the English-subject book with the same title free.
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