Chapter 3

any material that has mass and occupies space

the basic unit of matter; the smallest unit that maintains the chemical properties of an element

a chemical substance with a unique set of properties that cannot be broken down into substances with other properties

the central core of an atom; consists of protons and neutrons

a combination of 2 or more atoms

a substance combining atoms of two or more different elements

an organic compound combining hydrogen and carbon

a mixture in which all the ingredients are evenly distributed

a large organic molecule; includes proteins, nucleic acids, carbohydrates, and lipids

an organic compound made up of cabon, oxygen, hydrogen, nitrogen, and sometimes sulfur

the macromolecule that carries hereditary information like RNA and DNA

an organic compound that consists of atoms of carbon, hydrogen, and oxygen

chemically diverse compound that does not dissolve in water

a measure of the acidity or basicity of a solution

the part of a system in which some portion of that system’s output is used as input for future behavior(positive drives it to extreme,negative stabilizes)

the removal of soil by water, wind, ice, or gravity

all the rock at and below earths surface

sphere of earth made up of the hard rock on and just below earths surface; the outermost layer of both earth and its geosphere

the earth and all of its organisms and environments

the thin layer of gases that surrounds earth

all of the water in any form above and below earths surface and int eh atmosphere

thin layer of rock that forms earths outer surface on land and in the ocean

layer of very hot but mostly solid rock beneath earths crust

the layer of earth below the mantle