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Warm Up # 19—Copy each statement. Are these statements true? If not, correct them. 1. Differences in pressure cause the horizontal movement of air. 2. Air pressure and air density increase with altitude. 3. The sun supplies most of Earth's energy. Vocab to Remember evaporation--turning from liquid to gas by adding heat condensation--turning from gas to liquid by removing heat precipitation--falling from clouds as liquid or solid humidity--amount of water vapor in air Patterns of movement within systems result in interaction and change. Most clouds form as air rises and cools The water cycle •Why does water evaporate? •Why does water vapor condense? •Why does water precipitate (fall)? Cirrus clouds Cirrus--very cold, high altitudes wispy or feathery, "tails", (fair weather or storm approaching) Cumulus clouds Cumulus--puffy, white, "cotton balls" --form in daytime when heat causes evaporation --can be fair weather --cumulonimbus (thunderheads), heavy rain Cumulonimbus clouds •Storm clouds Stratus clouds Stratus--layered, whole sky gray, no strong air movement steady light precipitation Fog Fog--like stratus but on surface, surface colder, heavier at dawn after the ground has cooled all night Cloud Observation/Forecast Activity • We will go outside to observe the clouds and other signs of weather. • Complete the independent activity as you observe weather conditions outside. • You will have the rest of the class period (inside) to complete the activity. • Criterion D: Reflecting on the impacts of science • i. describe the ways in which science is applied and used to address a specific problem or issue • ii. discuss and analyze the various implications of using science and its application in solving a specific problem or issue, interacting with a factor • iii. apply communication modes effectively Other resources • DE—go to your my.ncedcloud.org account and click on DE assignments—”Clouds” • Textbook pp. A 43-46 (air pressure and changes in weather) pp. A 56-63 (precipitation and clouds) • Weather.com enter the zip code 28078 Three basic types of clouds DE—video—Winds fronts and storms (Cloud types and precipitation) DE—Clouds Academic Conversations • Prior knowledge of the subject • Something new you learned • Thoughts on it • Misconceptions you may have had