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Science
8th Grade Science EOG Review Words
21
Science
8th Grade
05/09/2011

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Term
Adhesion
Definition
The property of sticking together (as of glue and wood) or the join surfaces of different compostition.
Term
Algal Bloom
Definition
The rapid growth of a population of algae.
Term
Ameoba
Definition
A type of protist characterized by great flexibility and the presence of pseudopodia.
Term
Anti-microbial
Definition
an agent (as heat or radiation or chemical) that destroy microorganisms that might carry a diesease.
Term
Atom
Definition
(physical or chemical) the smallest component of an elemnent having the chemical properties of the element.
Term
Atomic Mass
Definition
The weighted average of the masses of the isotopes of an element
Term
Atomic Number
Definition
the number of protons in the nucleus of an atom.
Term
Bacteria
Definition
Single celled, no necleus, everywhere.
Term
Biotechnology
Definition
The branch of engineering science in which biological science is used to study the relation between workers and their environments.
Term
Boiling Point
Definition
The temperature at which a substance changes from a liquid to a gas
Term
Buoyancy
Definition
The property of something weightless and insubstantial.
Term
Carcinogen
Definition
a substane that causes cancer.
Term
Definition
A person who has some pathogen to which he is immune but who can pass it on to others
Term
Cell theory
Definition
(biology) the theory that cells come form the fundamental structural and functional units of all living organisms.
Term
Chemical Change
Definition
(Chemistry) any process determined by the atomic and molecular composition and structure of the substances involved.
Term
Cilia
Definition
Short, hair like structures made of microtubules that enable movement of cells or movement of materials outside of a cell.
Term
Cohesion
Definition
The state of cohering or sticking together (water to water)
Term
Compounds
Definition
When atoms of different elements bond together in specific proportions
Term
Conservation of Matter
Definition
In any chemical reaction matter changes form; it is neither created nor destroyed.
Term
Contagion
Definition
An incident in which an infectious disease is transmitted.
Term
Control
Definition
Power to direct or determine.
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