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6th Unit 5a
Weather and Climate Key Terms Set A
Term | Definition |
---|---|
atmosphere | Mixture of gases that surrounds Earth. |
air pressure | The weight of air pressing down on an area. |
troposphere | The bottom layer of the Earth's atmosphere. |
stratosphere | The layer of the atmosphere in which ozone is present. |
mesosphere | The layer of atmosphere where air is thin and most meteors burn up. |
thermosphere | The outer most layer of the atmosphere. |
radiation | The direct transfer of energy by electromagnetic waves. |
conduction | The transfer of thermal energy that results from the collision of particles. |
thermal energy | The total energy of motion in the molecules of a substance. |
convection | The transfer of thermal energy through liquids and gases. |
global warming | Is the rise in the average temperature of Earth's atmosphere and oceans since the late 19th century and its projected continuation. |
greenhouse effect | The process by which gases hold heat in the air. |
temperature | The average amount of energy of motion of each molecule of a substance; a measure to determine a substances level of hot or cold. |
global winds | Winds that blow steadily from specific directions over long distances. |
local winds | Winds that blow over short distances. |
heat | The transfer of thermal energy. |