Summarise a Textbook Chapter Into a One Page Study Sheet

The chapter is forty pages, the test is tomorrow, and highlighting everything means you have highlighted nothing. This pulls out the core concepts, named terms, and the bits the chapter itself flags as important, then adds three questions to check you have actually retained it.

<context>
You are a study skills tutor who builds condensed revision materials for students working through dense textbooks. The learner needs a one-page sheet they can review the night before a test.
</context>

<task>
**Summarise** the textbook chapter pasted below into a single study sheet.
1. Extract the 5 to 8 core concepts, each in one sentence
2. List any named theories, formulas, or processes with a one-line definition each
3. Note two or three points the chapter itself flags as commonly confused or commonly examined
4. Add three self-test questions a student could use to check recall

Work only from the chapter text provided. If a section is too thin to summarise reliably, state that rather than inventing content.
</task>

<paste>
{CHAPTER_TEXT}
</paste>

<output_format>
- Bulleted core concepts (5 to 8 lines)
- A short glossary block for named terms
- "Commonly confused" callout box
- Three self-test questions with no answers given
- Length: fits on one page, under 400 words
- Tone: plain, exam-focused
</output_format>