历年ACT真题科学部分词汇整理3

>>ACT考试词汇：历年ACT真题科学部分词汇整理3

>>ACT考试精品1对1名师指导

decibel— A unit of measure for the relative intensity of sounds.

decimation— The celestial coordinate similar to that of latitude on the Earth. Declination measures how many degrees, minutes, and seconds north or south of the celestial equator an object is.

delta— A fan shaped deposit of material at the mouth of a river.

density— The mass of a substance for a given unit volume. A common unit of density is grams per milliliter (g/ml).

displacement— The change in position of an object. Computed from the final position minus the initial position. Common units of measure are meters (m).

divergent boundary— A boundary between two of the Earth's plates that are moving away from each other.

DNA— Contains all genetic material for an organism. The smallest units of DNA are called nucleotides.

ecliptic— The apparent path of the Sun across the sky over the course of a year.

electric potential energy— The energy due to an object's position within an electric field.

electromagnetic wave— A light wave that has an electric field component and a magnetic field component. An electromagnetic wave does not require a medium to travel through.

electrostatic force— The force that exists between particles due to their charge. Particles of like charge repel, particles of unlike charge attract.

element— The smallest entity that has distinct chemical properties. It can not be decomposed by ordinary chemical reactions.

以上就是小编介绍的一些科学推理部分的常见词汇，希望你们能够记录在自己的笔记本上，在平时空闲时间多拿出来看看，扩展自己的一个词汇量，会对你们的考试成绩有很大帮助。如果你们需要更多的ACT考试技巧，那就来坦途网ACT考试频道自取吧！