Riddles 1. What has 4 eyes but can’t see?

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Presentation transcript:

Riddles 1. What has 4 eyes but can’t see? 2. If I have it, I don’t share it. If I share it, I don’t have it. What is it?

climate notes page 3 Reasons my son is crying Sun's Energy & Climate Change climate notes page 3 ©Mark Place, 2009-2010 www.LearnEarthScience.com

According to the graph below, what wavelength of energy does the Earth Sun's Energy & Climate According to the graph below, what wavelength of energy does the Earth receive in the greatest intensity? visible light

which absorbs ultraviolet (UV) Sun's Energy & Climate Name the primary gas which absorbs ultraviolet (UV) from the sun. ozone

Name the three primary gases which absorb infrared (IR) energy Sun's Energy & Climate Name the three primary gases which absorb infrared (IR) energy methane water vapor

Why is the ozone layer important? Sun's Energy & Climate Why is the ozone layer important? It protects the Earth from UV which damages crops and causes cancer in humans.

Why is it warmer on a cloudy night than on a clear night? Sun's Energy & Climate Why is it warmer on a cloudy night than on a clear night? Clouds (H2O vapor) absorb IR energy radiated by the Earth. On a clear night, the IR energy escapes back into space.

Explain the greenhouse effect. Include a diagram which shows the change in wavelength. Apply It

Sweet Brown

Just like a greenhouse, the gases in the atmosphere ---especially CO2 --- absorb re-radiated infrared energy.

Climate Change

Ice Ages

what triggers an ice age Ice Ages Ice Ages are cyclic. The last one occurred ~12,000 years ago The exact cause of what triggers an ice age is not known

El Niño A warming of the Pacific Ocean. Winters: West = Stormy South = Cold, wet Northeast = warmer

A cooling of the Pacific Ocean. La Niña A cooling of the Pacific Ocean. Dry in southeast. Cool, wet in northwest.

Average global temperatures are increasing. Glaciers are melting. Global Warming Average global temperatures are increasing. Glaciers are melting. Ocean levels are rising. Warming is natural. Humans are speeding up the process through increased levels of carbon dioxide (CO2)

Mountain Glaciers