Science
Ocean Life
Conceptual
11–12 yrs
Ocean Currents and Global Heat
洋流与全球热量
Description
Explain thermohaline circulation (the global conveyor belt) as driven by temperature and salinity differences that cause dense water to sink; describe how the Atlantic Meridional Overturning Circulation (AMOC) transfers heat from the tropics toward Europe; explain that oceans absorb more than 90% of excess heat and ~25% of CO2 from human emissions; explore what would happen to Northern European climates if circulation weakened
Assessment Prompt
Can your child explain why the UK has mild winters compared to parts of Canada at similar latitudes — what does ocean circulation have to do with it, and what might change if that circulation slows down?
Prerequisites 1
Oceans & Climate
温盐环流的原理依赖于对海洋与气候关联的理解
Unlocks 1
Coral Bleaching & Acidification
