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Science & Nature: Twenty Big Questions

Take “Science & Nature: Twenty Big Questions,” a focused 20-question learning challenge with clear outcomes created specifically for this article.

20 questionsMedium8–10 min
Science & Nature20 questions · one page

QuizMora Editorial TeamPublished July 20, 2026 · Updated July 29, 2026

Work through 20 mobile-friendly questions created only for Science & Nature: Twenty Big Questions. Submit once to see the complete outcome without answers or result clues being revealed early.

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20 QuestionsScience & Nature Quiz
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Question 1 of 20Science & NatureWhat is the smallest unit of a chemical element?
Question 2 of 20Science & NatureWhich force keeps planets in orbit?
Question 3 of 20Science & NatureWhat does DNA carry?
Question 4 of 20Science & NatureWhich particle has a negative electric charge?
Question 5 of 20Science & NatureWhat is the process of a liquid becoming a gas?
Question 6 of 20Science & NatureWhich pigment makes most leaves look green?
Question 7 of 20Science & NatureWhat type of animal is an axolotl?
Question 8 of 20Science & NatureWhich biome has permafrost?
Question 9 of 20Science & NatureWhat do bees collect from flowers to make honey?
Question 10 of 20Science & NatureWhich layer protects Earth from much ultraviolet radiation?
Question 11 of 20Science & NatureWhat is H2O commonly called?
Question 12 of 20Science & NatureWhich metal is liquid near room temperature?
Question 13 of 20Science & NatureWhat pH value is neutral at room temperature?
Question 14 of 20Science & NatureWhich gas is most abundant in Earth’s atmosphere?
Question 15 of 20Science & NatureWhat is the center of an atom called?
Question 16 of 20Science & NatureWhat instrument measures earthquakes?
Question 17 of 20Science & NatureWhich process changes a solid directly into a gas?
Question 18 of 20Science & NatureWhat is the movement of surface water into soil called?
Question 19 of 20Science & NatureWhat line joins places of equal air pressure on a map?
Question 20 of 20Science & NatureWhat scale classifies mineral hardness?

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