Vocabulary Week 3-Global Warming and Ozone Depletion

Scientists first realized ___________________ were wearing down the thin ozone layer above Antarctica in the 1970s.

• methane gases

• chlorofluorocarbons

• hydrofluorocarbons

• hydrocarbons

A colorless gas that is a screen for ultraviolet radiation. Also known by the chemical formula O₃.

• carbon dioxide

• oxygen

• methane

• ozone

The EPA in 2015 barred the use of ____ in four major economic sectors: ________, air conditioning for new cars, retail food refrigeration and foam blowing.

• HFC's; aerosols

• CFC's; aerosols

• HCFC's; ceramic heaters

• HFC's; power plants

Sunburn is a burn from the _________ of UV light, resulting in reddish skin.

• depletion

• smog

• ultraviolet

• radiation

The act of spreading outward from a central source.

• radiation

• aerosol

• ozone

• smog

Air pollution that is a mixture of smoke and fog.

• carbon dioxide

• smog

• haze

• ozone

A cloud of solid or liquid particles in a gas usually contained in a spray can.

• CFC's

• radiation

• ozone

• aerosol

The seasonal _________ of the Antarctic ozone, a highly reactive molecule of oxygen called O3, was first reported in the journal Nature in 1985.

• radiation

• depletion

• change

• growth

The act of decreasing something markedly.

• depletion

• addition

• growth

• radiation

The ozone layer protects us from ___________ light rays from the Sun.

• smog

• radiation

• ultraviolet

• aerosol