Physical Science First Qt. Exam Vocab Crossword

The smallest chemical unit of matter
Two or more atoms linked together to make a substance with unique properties
The quantity of a substance within a certain volume
The moisture content of the air
The mass of water vapor contained in a certain volume of air
The ratio of the mass of water vapor in the air at a given temperature to the maximum mass of water vapor the air could hold at that temperature, expressed as a percentage
The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates from earth
The number of molecules (or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture
The mass of air surrounding a planet
The pressure exerted by the atmosphere on all objects within it
An instrument used to measure atmospheric pressure
Narrow bands of high-speed winds that circle the earth, blowing from west to east
Energy that is transferred as a consequence of temperature differences
A measure of the energy of random motion in a substance's molecules
The lower layer of earth's atmosphere, which exists from ground level to roughly 80 km (50 miles) above sea level
The upper layer of earth's atmosphere, which exists higher than roughly 80 km (50 miles) above sea level
The region of the atmosphere that extends from ground level to roughly 11 km (7 miles) above sea level
The region of the atmosphere that spans altitudes of roughly 11 km to 48 km (30 miles)
The region of the atmosphere that spans altitudes of roughly 48 km to 80 km (50 miles)
The region of the atmosphere between altitudes of roughly 80 km and 460 km
The region of the atmosphere above an altitude of roughly 460 km
The region of the atmosphere between the altitudes of roughly 65 km and 330 km, where the gases are ionized