Chapter 7 Atmosphere Vocab

Sanjana Nagwekar
Flashcards by Sanjana Nagwekar, updated more than 1 year ago
Sanjana Nagwekar
Created by Sanjana Nagwekar over 5 years ago


These are all the vocab words and their definitions in chapter 7, so that everyone can use them to study! :-)

Resource summary

Question Answer
What is Weather? The condition of Earth's atmosphere at a particular time and place.
What is the Atmosphere? The envelope of gases that surrounds the planet.
What is Ozone? A form of oxygen that has three oxygen atoms in each molecule instead of the usual two.
What are Pollutants? Harmful substances in the air, water, or soil.
What is Photochemical Smog? The brown haze that develops in sunny cities.
What is Acid Rain? Rain that contains more acid than normal.
What is Density? The amount of mass in a given volume of air.
What is Pressure? The force pushing on an area or surface.
What is Air Pressure? The result of the weight of a column of air pushing down on an area.
What is a Barometer? An instrument that is used to measure air pressure.
What is a Mercury Barometer? A barometer that consists of a glass tube open at the bottom end and partially filled with mercury.
What is an Aneroid Barometer? A barometer with an airtight metal chamber.
What is Temperature? The average amount of energy of motion of each particle of a substance.
What are Electromagnetic Waves? A form of energy that can move through the vacuum of space.
What is Radiation? The direct transfer of energy by electromagnetic waves.
What is Infrared Radiation? One form of electromagnetic energy that has wavelengths that are longer than red light.
What is Ultraviolet Radiation? An invisible form of energy with wavelengths that are shorter than violet light.
What is Scattering? A process in which dust particles and gases in the atmosphere reflect light in all directions.
What is the Greenhouse Effect? The process by which gases hold heat in the air.
What is Thermal Energy? The total energy of motion in the particles of a substance.
What is Conduction? The direct transfer of heat from one substance to another substance that it is touching.
What is Convection? The transfer of heat by the movement of a fluid.
What is a Convection Current? The upward movement of warm air and the downward movement of cool air.
What are Local Winds? Winds that blow over short distances.
What is a Sea Breeze? A local wind that blows from an ocean or lake.
What is a Land Breeze? The flow of air from land to a body of water.
What are Global Winds? Winds that blow steadily from specific directions over long distances.
What is the Coriolis Effect? The way Earth's rotation makes winds curve.
What is Latitude? Distance from the equator, measured in degrees.
What are Jet Streams? Bands of high-speed winds above Earth's surface.
Thank you for taking the time and going through my flashcards! Good Luck on the Science Test!
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