Lesson 61 1/3/18 SWBAT analyze proxy data to measure climate change. Do Now: Why is it important to measure climate change?

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Lesson 61 1/3/18 SWBAT analyze proxy data to measure climate change. Do Now: Why is it important to measure climate change?

Composition of Atmosphere

Vocab Climate Proxies: preserved physical characteristics of the past that enable scientists to reconstruct climate conditions. Isotopes: Atoms that have the same number of protons but different numbers of neutrons

Foraminifera Neoglobaquadrina pachyderma Microscopic protists used to determine ocean temperature Two forms:

Climate Proxy: Analyze Data Calculate percentages for left and right-coiled N. pachderma Graph data Answer analysis questions

Other Climate Proxies Sediment Cores Ice Cores Tree Rings Coral

Homework Complete reading Evidence of Earth’s Past and answer questions

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