著名火山喷发与盘古大陆

了解著名火山喷发及其全球影响：Mount St Helens（1980年）、Eyjafjallajökull（2010年），以及大型喷发如何影响全球天气和气候；理解各大陆曾经连在一起（Pangaea），之后缓慢漂移分开。

Know about famous eruptions and their global effects: Mount St Helens (1980), Eyjafjallajökull (2010), and how large eruptions can affect weather and climate worldwide; understand that continents were once joined (Pangaea) and have slowly drifted apart

学习证据 / Evidence

• 至少描述一次著名火山喷发及其主要影响
• 解释大气中的火山灰和气体如何使全球气温降低
• 说明各大陆曾经连成一个超级大陆，并在数百万年中缓慢漂移分开

• Describe at least one famous volcanic eruption and its key effects
• Explain how volcanic ash and gases in the atmosphere can cool global temperatures
• State that continents were once joined in a supercontinent and have slowly moved apart over millions of years

评估问题 / Assessment

{{name}}能讲一讲像Mount St Helens那样的著名火山喷发，并说明一次特别大的喷发如何把大量火山灰送上天空，进而影响全世界的天气吗？

Can {{name}} tell you about a famous volcanic eruption like Mount St Helens and explain how a really big eruption can send so much ash into the sky that it affects weather around the whole world?