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Harder science questions

Grade-school science exam questions from the harder, reasoning-heavy half of the ARC set: each one takes a step of reasoning rather than a fact you either know or do not. Physics, chemistry, biology, Earth and space science. Each card asks one question and answers it in full — no multiple-choice letters, no figure or table to look at, and no card resting on a date, a quantity or a number.

37 cards EN CC-BY-SA-4.0

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  • Front The male insects in a population are treated to prevent sperm production. Would this reduce this insect population?
    Back Yes, because it would sharply decrease the reproduction rate.
  • Front A signal from the brain to a muscle in the arm is transmitted by which structures?
    Back motor neurons
  • Front What characteristic of DNA results in cell differentiation in developing embryos?
    Back which genes are active
  • Front How is a moth's life cycle most different from an insect that goes through incomplete metamorphosis?
    Back It creates a cocoon.
  • Front Rubbing sandpaper on a piece of wood produces what two types of energy?
    Back sound and heat

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Licence
Creative Commons Attribution-ShareAlike 4.0 International CC-BY-SA-4.0
Attribution
Source : https://huggingface.co/datasets/allenai/ai2_arc — Licence : Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)
Source
AI2 Reasoning Challenge (ARC), Allen Institute for AI
Retrieved on
Topic
Science
Language
English
Version
3
Updated on

This deck was modified when it was brought in: A subset of the questions was selected and each multiple-choice item was turned into a card: only the text of the correct answer is kept, the distractors and the option letters are removed. Nothing was rewritten: a card was either kept exactly as the source wrote it, or dropped. Whitespace is normalised. Dropped: questions that point at material the card does not carry (figure, table, graph, list); questions that describe the answer grid rather than the world, including every bare "Which is…"; questions that rest on United States law, regulation or geography; questions whose answer does not stand on its own once the options are gone; every card carrying a digit, and with it every date, quantity and figure; time-dependent wordings; negative questions; answers made of a single ambiguous word or a bare acronym; and cards duplicating — in either direction — a card already served by another deck in this catalogue or by another card in this one. This deck is a rebuild of a deck withdrawn from the catalogue after review found factual errors coming from the source; a later review dropped further cards whose statement was factually wrong, whose answer was only a fragment of the option grid, whose framing rested on United States vehicle regulation, or which repeated a fact already carried by another card here.

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