Life
Not living, or produced by nonliving things
Abiotic
The entire body of salt water that covers about 69% of Earth
Ocean
A substance in which another substance (solute) is dissolved to form a homogeneous mixture
Solvent
The arrangement of parts that form a living thing
Structure
A transparent, odorless, tasteless liquid made of hydrogen and oxygen
Water
Living, or produced by living things
Biotic
How much salt is in something
Salinity
A substance that dissolves in another substance (solvent) to form a homogeneous mixture
Solute
The quantity of mass per unit volume
Density
The smallest particle of an element; made of electrons, protons, and neutrons
Atom
The sum of the different forms of living things in a given area or population
Biodiversity
The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance
Temperature
A logarithmic scale that measures the hydrogen ion concentration in an acid or base
pH Scale
The action of molecules sticking together
Cohesion
A number placed in front of a chemical symbol or formula that represents the number of molecules
Coefficient
The elastic tendency of liquids that makes it acquire the least surface area possible
Surface Tension
A separation of electric charge between atoms in a molecule resulting from the unequal sharing of electrons in a covalent bond
Polarity
The ability of a substance to dissolve in another substance to form a homogeneous mixture
Solubility
Describes a molecule in which one or more atoms is slightly negative and one or more is slightly positive
Polar
A one- or two-letter notation used to represent an atom of a particular element
Chemical Symbol
A property of matter determined by the number of positively charged protons and negatively charged electrons in a material
Electrical Charge
The deterioration of the resources in an ecosystem by the reduction in the quantity and quality of resources, including resource depletion, pollution, habitat destruction, and extinctions
Ecosystem Degradation
The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically
Molecule
A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction
Compound
A shorthand notation that uses chemical symbols and numbers as subscripts to represent the type and number of atoms that are present in the smallest unit of a substance
Chemical Formula