RootsEDU小学课程图谱与学习系统
科学 / Science 物质与材料 / Matter & Materials CONCEPTUAL 12 至 14 岁

地球大气层与二氧化碳

Earth's Atmosphere & CO2

描述地球大气的组成(主要是氮气和氧气,以及少量二氧化碳和其他气体),解释人类活动如何增加二氧化碳,并说明其对全球气候的影响。

Describe the composition of Earth's atmosphere (mainly nitrogen and oxygen, with small amounts of CO₂ and other gases), explain how human activity increases CO₂, and describe the impact on global climate

学习证据 / Evidence

评估问题 / Assessment

如果让{{name}}回答科学家为什么担心二氧化碳浓度上升,{{name}}能解释二氧化碳在大气中起什么作用、人类活动为什么会产生更多二氧化碳,以及它正在对地球造成哪些影响吗?

If {{name}} was asked why scientists are worried about CO₂ levels rising, could they explain what CO₂ does in the atmosphere, why human activities produce more of it, and what effects it's having on the planet?

先修关系图 / Learning path