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Earth, rocks and weather — harder questions

The harder half of the same exams: questions on the rock cycle, erosion, the water cycle, weather systems and the history written in the ground.

76 cards EN CC-BY-SA-4.0

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  • Front Corn is widely being used in the United States to make ethanol for use in automobile fuel. How might the overproduction of corn negatively affect the environment?
    Back Decreasing soil fertility
  • Front Which property of a mineral can be determined just by looking at it?
    Back Luster
  • Front Geologists frequently use mass spectrometers in determining the relative age of rocks. A spectrometer can differentiate between the ratios of isotopes in rock samples and calculates the radioactive decay involving what two isotopes?
    Back Uranium - Lead
  • Front Corn can be used to make ethanol, which is a fuel for some cars. What problem could be caused by the increased use of ethanol?
    Back Decrease in nutrients in soil
  • Front Students make weather observations outside the school building, and then they record their observations. Which observation should be recorded as a fact?
    Back The wind is blowing at 5 m/s

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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. Questions that point at material the card does not carry, that describe the answer grid rather than the world — including every bare “Which is…” and every comparative superlative — that are negative, or whose answer does not stand on its own, are all dropped. What survived was read and what read badly was named and removed in the connector source. The deck is built from the questions of a single science domain, recognised by an explicit list of words: a question that touches two domains, or none, goes into no deck at all. Whitespace is normalised and flattened chemical formulas are given their subscripts back (H2O → H₂O); no word is rewritten.

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