California Institute of Technology's wording, checked October 26, 2026How does STEM come alive in your life through learning, pursuing, or making? Caltech faculty review applications, so feel free to get technical in your response!“Regardless of your STEM interest listed above, take this opportunity to nerd out and talk to us about whatever STEM rabbit hole you have found yourself falling into. Be as specific or broad as you would like.”
How to approach it
- 1Go technical; Caltech invites it.
- 2Show the trail: what led to what.
- 3End on the open question.
A structure that works
One way to shape this answer. It describes moves, not sentences: the words have to be yours.
- 1The first thing that pulled you in.
- 2The trail, step by step, with technical detail.
- 3Where you are now and the question still open.
Where the 200 words go
| Part | Words |
|---|---|
| The moment or example | about 80 |
| What it shows or changed | about 70 |
| Why it matters, or what you bring | about 50 |
Mistakes to avoid
- Staying general to be safe.
The checklist our grader uses for this question
When you check your Caltech answers, this answer is read against these 5 areas. Each comes back Met, Partly or Missing with a quote from your draft as evidence, and together with the 200 words limit they set its readiness verdict.
| Area | What a reader looks for |
|---|---|
| Answers the question | The opening sentences answer what was asked, plainly, before background or a hook; every part of a multi-part question is answered. |
| One specific idea | It names one specific topic, question or idea early, narrower than a whole subject. |
| Evidence you pursue it | It shows what the applicant read, built, asked or tried on their own, beyond required class work. |
| Your own thinking | The reader sees how the applicant's mind works on it: a connection, an opinion, a question still open. |
| Caltech's ask | Goes deep and technical on one STEM rabbit hole, as Caltech's faculty readers invite. |
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Questions
More on Caltech and this kind of question
- Yale: A topic or idea that excites you · 200 words
- Stanford: What excites you about learning · 100-250 words
- Northwestern: Dream up a class or project · 200 words
- Carnegie Mellon: A successful college experience · 300 words
- Tufts: A favorite school assignment · 100-200 words
- Boston College: Your most meaningful conversation partner · 400 words