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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 fichas EN CC-BY-SA-4.0

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  • Anverso 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?
    Reverso Decreasing soil fertility
  • Anverso Which property of a mineral can be determined just by looking at it?
    Reverso Luster
  • Anverso 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?
    Reverso Uranium - Lead
  • Anverso 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?
    Reverso Decrease in nutrients in soil
  • Anverso Students make weather observations outside the school building, and then they record their observations. Which observation should be recorded as a fact?
    Reverso The wind is blowing at 5 m/s

Licencia, fuente y atribución

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Licencia
Creative Commons Attribution-ShareAlike 4.0 International CC-BY-SA-4.0
Atribución
Source : https://huggingface.co/datasets/allenai/ai2_arc — Licence : Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)
Fuente
AI2 Reasoning Challenge (ARC), Allen Institute for AI
Obtenido el
Tema
Ciencias
Idioma
English
Versión
3
Actualizado el

Este mazo se modificó al incorporarlo: 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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