中国小学科学 (Chinese Primary Science) - Science
Mission Objectives
描述地球围绕太阳轨道公转如何影响影子的形成
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Words and meanings to learn
不透明
不让光穿过
轴
一条假想的线，地球等物体围绕它自转。
东
指南针上的一个方向。这是太阳升起的方向。
影子
遮光物体在表面上形成的黑暗区域。
半透明
只能让部分光线穿过的物体，例如磨砂玻璃。
Heather qualified with a first-class honours degree in climate science from the University of East Anglia. Since, she has joined Developing Experts as a writer and presenter, specialising in earth and environmental sciences.
She is also an internationally published science author, having written a series of CLIL (Content and Language Integrated Learning) digital textbooks aimed at improving learners’ understanding of English whilst igniting an interest in science.
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