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Earths environment

TermDefinition
Vocabulary
matter any material that has mass and occupies space
atoms The basic unit of matter; the smallest unit that maintains the chemical properties of an element
element a chemical substance with a unique set of properties that cannot be broken down into substances with other properties
nucleus the central core of an atom consists of protons and neutrons
molecule a combination of two or more atoms
compound a substance combing atoms of two or more different elements
Hydrocarbons an organic compound combining hydrogen and carbon
solution a mixture in which all the ingredients are evenly distributed
macromolecules a large organic molecule includes proteins nucleic acids carbohydrates and lipids
Proteins an organic compound made up of carbon oxygen,hydrogen,nitrogen and sometimes sulfur
Nucleic acids the macro-molecule that carries hereditary information includes DNA and RNA
Carbohydrates an organic compound that consist of atoms of carbon ,hydrogen and oxygen
Lipids chemically diverse compound that does not dissolve in water
pH a measure of the acidity or alkalinity of a solution
Feedback loop a circular process that describes how an event is a cause and an effect in the same system can be a positive feedback loop or a negative feed back loop
Erosion the removal of soil by water,wind,ice, or gravity
geosphere all of the rock at and below Earths surface
lithosphere sphere of Earths made up of the hard rock on and just below Earths surface; the outermost layer of both Earths and its geosphere
biosphere The earth and all of its organisms and environments
atmosphere The thin layer of gases that surrounds Earth
hydrosphere All of the water,salt water, and fresh water in the form of liquid ice or vapor above and below Earths surface and in the atmosphere
Created by: Serinabtt
 

 



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