Science (3.5e Variant Rule)

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Science (Int; Trained Only)[edit]

You are versed in a particular form of science. Like Knowledge, Science is actually a broad group of related skills, and you can have ranks in many different sciences.

Below are listed typical fields of study.

  • Archeology
  • Biochemistry
  • Biology
  • Botany
  • Chemistry
  • Ecology
  • Exobiology
  • Genetics
  • Geology
  • Mathematics
  • Metallurgy
  • Nuclear Physics
  • Psychology
  • Quantum Physics
  • Robotics (constructs)
  • Sociology
  • Zoology

You should feel free to come up with additional Sciences with your Dungeon Master's approval.


Answering a question within your field of study has a DC of 10 (for really easy questions), 15 (for basic questions), or 20 to 30 (for really tough questions).


No. The check represents what you know, so thinking about a topic a second time doesn't let you know something you never learned in the first place. You can retry if you're able to research the topic for a while. The DM determines how much research is required for a retry, usually between an hour and a full day's work (depending on the complexity and obscurity of the topic).


An untrained Science check is simply an Intelligence check. Without actual training, a character has only common knowledge. The DM may rule that some Science checks are too specialized or difficult to attempt untrained.

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