Weather Vocabulary Set #1

Weather Daily conditions of the atmosphere in terms of temperature, atmospheric pressure, wind and moisture

Atmosphere Blanket (surrounds/covers) of gas on the surface of a planet or satellite 78% Nitrogen (N) 21% Oxygen (O2) 1% other gases

Pollutant Any substance (as certain chemicals or waste products) that renders the air, soil, water, or other natural resource harmful or unsuitable for a specific purpose Renders means make Example: Carbon Dioxide (CO2)

Air Pressure Mercury Barometer The force exerted (effects) on you by the weight of tiny particles of air (air molecules). Weather instrument that measures air pressure is a barometer. Two types of barometers: Mercury barometer Aneroid barometer Aneroid Barometer

Humidity The amount of water vapor in the air Water vapor – is the gaseous state of water and is invisible

Acid Rain Testing pH of water or a substance Caused by emissions (released into the air) of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids Example: burning fossil fuels such as coal or oil Changes the pH in water pH tells if it is a base or acid Testing pH of water or a substance

Effects of Acid Rain

Ozone Colorless, odorless reactive gas comprised (made of/contains) of three oxygen atoms; found in the stratosphere where is absorbs ultraviolet (UV) from solar radiation