ACT Science Vocabulary Exam Questions With Answers 2024/2025
ACT Science Vocabulary Exam Questions With Answers 2024/2025 Absolute zero - Correct Answer Approximately -273° C; the lowest possible temperature Acid - Correct Answer A compound that releases hydrogen ions when dissolved in water; has a pH of less than 7 Algae - Correct Answer Simple, one-celled plantlike organism found in water or damp places; includes seaweeds, pond scum, and so on Alloy - Correct Answer A substance composed of two or more metals Atmosphere - Correct Answer The layer of air surrounding Earth Atmospheric pressure - Correct Answer The pressure exerted by the atmosphere on every part of Earth's surface; approximately 10 newtons per square centimeter Atom - Correct Answer The smallest part of an element that is recognizable as that element Barometer - Correct Answer An instrument that measures atmospheric pressure Base - Correct Answer A compound that releases hydroxide ions in water; has a pH of more than 7; is sometimes called an alkali
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