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Weather & Water 1

Investigation 1 Vocab for FOSS Science 6th-grade

QuestionAnswer
Star a large, hot ball of gas radiating huge amounts of energy
Carbon Dioxide a greenhouse gas in Earth's atmosphere. Carbon dioxide is created by natural and human-made processes.
Nitrogen a colorless, odorless gas that makes up about 78 percent of Earth's atmosphere
Water Vapor the gaseous state of water; a variable gas that is found in Earth's atmosphere
Oxygen a gas that makes up about 21 percent of the Earth's atmosphere
Ozone a thin form of oxygen that forms a thin layer in the stratosphere
Mass the amount of matter in an object or sample
Permanent Gases a gas in the atmosphere for which the relative amount stay constant. Oxygen and nitrogen are permanent gases.
Variable Gases an atmospheric gas whose amount changes based on the environment. Carbon dioxide, methane, water, and ozone are variable gases.
Greenhouse Gas a gas that absorbs and radiates energy in the atmosphere, trapping thermal energy
Thermal Energy radiant energy that heats
Photosynthesis a process used by plants and algae to make sugar (food) out of light, carbon dioxide, and water
Stratosphere the layer of the atmosphere above the troposphere. The ozone layer is in the stratosphere.
Absorbs to soak up or take in
Methane a variable gas in the atmosphere; a greenhouse gas
Troposphere the layer of the atmosphere that begins at Earth's surface and extends upward for an average of 15 kilometers.
Season a period of the year identified by changes in hours of daylight and weather
Air Pressure the force exerted on a surface by the mass of air above it; also called atmospheric pressure
Weather Factors a variable property of weather, such as temperature, humidity, air pressure, or wind
Jet Stream a narrow band of fast-moving high-altitude wind flowing west to east that affects weather conditions on Earth
Mesosphere the layer of the atmosphere above the stratosphere
Thermosphere the layer of the atmosphere above the mesosphere
Solar Energy radiant energy from the Sun
Exosphere the layer of the atmosphere above the thermosphere. The exosphere marks the transition from the atmosphere to space.
Created by: user-1743806
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