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Energy Transfer Unit Study Guide Name__________________ SC-06-4.6.2 Students will describe the effect of the Suns’ energy on the Earth’s systems. The Sun is the major source of energy for Earth. The water cycle, winds, ocean currents and growth of plants are affected by the Sun’s energy. SC-06-4.6.1 Students will describe or explain the cause and effect relationships between oceans and climate. Oceans have a major effect on climate because water in the oceans holds a large amount of heat. I Can Statements Meaning I can explain the relationship among conduction, convection and radiation. Conduction occurs best in solids. Transfer of heat that occurs when particles or molecules are in contact with each other. Convection occurs mainly in liquids and gases. Transfer, or flow, of heat in currents Warm air rises, cool air sinks. Radiation occurs in space or in any medium. Sun’s heat energy transferred as electromagnetic waves. Only heat transfer that can occur in a vacuum. I can explain how the transfer of energy from the Sun affects Earth’s cycles (WATER CYCLE, winds, ocean currents, photosynthesis). The Earth’s surface is warmed by radiation; the air at the surface is then warmed by conduction; which then causes warm air to rise creating a convection currents. * Heat energy always moves from warmer objects to cooler objects. The Sun’s heat energy causes water on Earth to evaporate which leads to precipitation through the water cycle. *Most of the water vapor in the air comes from evaporation of ocean water. I can explain how the transfer of energy from the Sun affects Earth’s cycles (water cycle, WINDS, ocean currents, photosynthesis). Air movement IS wind. I can explain how the transfer of energy from the Sun affects Earth’s cycles (water cycle, winds, ocean currents, PHOTOSYNTHESIS). The Sun’s radiation warms the surface of Earth. Air touches the surface and is warmed through conduction. Warm air rises and cool air sinks forming convection currents. The Sun’s heat energy causes plants to make their own food through the process of photosynthesis. The Sun’s energy affects the growth of plants. Examples/Diagrams I can explain how the transfer of energy from the Sun affects Earth’s cycles (water cycle, winds, OCEAN CURRENTS, photosynthesis). The Sun’s heat energy warms the Earth’s I can explain why some currents are warm and some are cold. The Sun’s energy warms the Earth’s oceans more at the bulging equator than at the poles creating warm water currents at the equator and cold currents at the poles. Gulf Stream - warm oceans creating currents. California Current - cold I can explain the cause and effect of land and sea breezes. Land Breeze –During the evening, cool air above the land moves *Land heats/cools faster toward the water as warm air over the *Water heats/cools slower water rises. Sea Breeze – During the day, I can explain land and sea breezes by using representations. cooler air above the water moves toward the land as warmer air over the land rises. I can explain how ocean currents affect climates. Warm ocean currents create warmer climates and colder ocean currents create cooler climates. This causes more mild climates with less temperature extremes. Tools for study: Warm Ups/PoDs, Think Slips, Exit Slips, Text p346-347, Study Island Reading Questions (2 sets), Air Movement Wksht **Webpage Resources**