Properties of Water and Cycles Crossword

A substance that increases the hydrogen ion concentration of a solution. pH will be less then 7
Rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water.
An attraction between molecules of different substances
smallest basic unit of matter
The continuous process by which water moves from Earth's surface to the atmosphere and back
A measure of how difficult it is to stretch or break the surface of a liquid
Protective layer in atmosphere that shields earth from UV radiation made up of O3
Cycle whereby natural processes and human activity consume atmospheric oxygen and produce carbon dioxide and the Earth's forests and other flora, through photosynthesis, consume carbon dioxide and produce oxygen.
all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
The amount of heat necessary to cause a phase transition between a liquid and a gas; Large amount of heat is needed to vaporize liquid
Conversion of nitrates into nitrogen gas
Having an aversion to water; tending to coalesce and form droplets in water.
plants of the bean and pea family, with seeds that are rich in protein compared with other plant-derived foods
A substance produced in a chemical reaction
level of hydrogen ion concentration found in a substance falling on a scale of 0-14
Evaporation of water from the leaves of a plant
a bond formed between hydrogen and a slightly charged covalently bonded atom such as Oxygen
Property of water due to the polarity and ability to dissolve many different solutes
the envelope of gases surrounding the earth or another planet
A substance that decreases the hydrogen ion concentration in a solution. pH will be higher than 7
process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another biogeochemical
part of Earth in which life exists including land, water, and air or atmosphere
tendency of water to rise in a thin tube due to adhesion and cohesion capillary
The organic circulation of carbon from the atmosphere into organisms and back again carbon
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen cellular
Attraction between molecules of the same substance
substance formed by the chemical combination of two or more elements in definite proportions
A chemical bond formed when two atoms share electrons Covalent
A pure substance made of only one kind of atom
the solid part of the earth consisting of the crust and outer mantle including all rocks and minerals
A property of water. Water can absorb lots of heat before changing temperature high specific
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
Having an affinity for water.
An atom or group of atoms that has a positive or negative charge.
A chemical bond resulting from the attraction between oppositely charged ions. Ionic
smallest unit of most compounds
The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere nitrogen
because atmospheric N2 cannot be used directly by plants it must first be converted into ammonia (NH3) by bacteria (rhizobium) nitrogen
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust
The movement of phosphorus atoms from rocks through the biosphere and hydrosphere and back to rocks. phosphorus
Conversion of light energy from the sun into chemical energy.
describes a molecule in which the positive and negative charges are shared unequally
A chemical substance that is present at the start of a chemical reaction
A substance that is dissolved in a solution.
A liquid substance capable of dissolving other substances