describe the fluctuations in CO 2 and temperature over the past 800,000 years, and explain why you see Using the chart titled CO 2 and Temperature Fluctuations During the Past 800,000 Years :Ī. The closer the Earth is to the sun, the warmer the climate. When the orbit is more elliptical, glaciation is affected by the time of year (season) that Earth is closest to the sun.īased on the information you have just learned, please explain how Milankovitch cycles can be used to predictįuture changes in Earth’s climate. Temperature? Small changes in Earth’s orbit around the sun affect the amount and distribution of solar energyĭescribe how small changes in Earth’s orbit around the sun explain the pattern of glacial and interglacial periods The graph shows that ice caps have melted over the past millions of years and what is too hot and cold for theĬhanges in atmosphere are not the only changes that impact climate. “normal” variation in Earth’s atmosphere. Student Worksheet Click and Learn Paleoclimate: A History of ChangeĮxplain how the ability to describe the pattern of ice ages over the past million years helps us to assess what is a These connections tell us that because the climate changed due to an increase of Co2 in the atmosphere are due toĪgricultural and industrial change caused by humans, therefore we should take measure to reduce the amount ofĬarbon we use. Knowledge of these past connections between atmosphere and climate can inform us about modern-day climate So, they can understand the extent of change in global temperatures and climates and be able to lessen it.Ītmospheric changes in Earth’s history have caused large temperature changes through time. That they are able to repeat experiments that support this information? Why is it important for scientists to be able to explain how they know that climate has changed over time and We know from the relative amounts of 16 O and 18 O that global temperatures and global climate have changed over What are the main factors that affect Earth’s climate? Planet is forever changing, and we should always keep a close watch on Earth. Varying the strength of the greenhouse effect, which causes variance in the amount of variation. Yes, because the changes are occurring as the chemical composition of the atmosphere has changed over time If you answer no, please explain why we should not worry. Is today, including times when there were no ice caps and times when the entire planet was nearly frozen over.”īased on this statement, should changes in Earth’s climate cause anxiety? If you answer yes, please support your Earth has been much warmer and much colder than it “The story of Earth’s climate has been a story of massive changes. Turns over quickly and it lasts in the atmosphere for hours, days, and weeks.ĭescribe how these gases act like a “thermal blanket.” They absorb radiation and re-radiate it both back to spaceĪnd downward, which is how it acts like a thermal blanket. Which is the most important of these gases in terms of amplification of climate effects? Water vapor because it List three greenhouse gases: Carbon dioxide, Methane, Water Vapor Please bold or type your answers in red.ġ. Use the Paleoclimate: A History of Change Click & Learn to answer the following questions. Will describe methods to mitigate impacts of climate change. Students will examine and analyze factors controlling Earth’s climate and describe human impact on climate change.
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