# Shared Flashcard Set

## Details

Science Midterm Vocab
All vocab for Midterm Exam
56
Science
12/08/2009

Term
 Independent variable
Definition
 and dependent variables are related to one another.  The Independent part is what you, the experimenter, changes or enacts in order to do your experiment
Term
 Dependent variable
Definition
 is what changes when the independent variable changes - the dependent variable depends on the outcome of the independent variable.
Term
 Hypothesis
Definition
 must be a statement, not a question
Term
 Control Group
Definition
 the group of variables that are under your control during an experiment
Term
 Experimental Group
Definition
 the group of variables that are not under your control
Term
 Conclusion
Definition
 short and to the point, state whether your data supported your hypothesis or not
Term
 Constant Factors
Definition
 the factors of the variables that stay the same in an experiment
Term
 Experiment
Definition
 it involves controlling one "input" variable, holding all other constant and measuring the effect on an "output" variable of a change in the control variable
Term
 Bioethics
Definition
 the application of ethics to the field of medicine. Ethicits ask 2 question; "What is the right or good thing to do?" and "What are our obligations to one another?"
Term
 Values
Definition
 beliefs and morals of a person
Term
 Do good/ Do no harm
Definition
 the oath that doctors take saying taht they will do no harm to the patient
Term
 Justice
Definition
 doing what is right and fair
Term
 Beneficence
Definition
 intended to benefit or promote the good of other persons
Term
 Respect for Persons
Definition
 respecting a person's request and wishes
Term
 Autonomy
Definition
 a descion not controlled by outside forces
Term
 Volume
Definition
 the amount of space and object takes up
Term
 Mass
Definition
 the amount of matter in an object
Term
 Density
Definition
 the measure of mass per unit of volume of a substance
Term
 Temperature
Definition
 the degree of hottness or coldness of a substance
Term
 Distance
Definition
 the amount of space from one point to another
Term
 Gram
Definition
 a unit of measurement in weight
Term
 Liter
Definition
 a unit of measurement in a liquid
Term
 Meter
Definition
 a unit of measurement in distance
Term
 Gravity
Definition
 the force attraction between all objects in the universe
Term
 Energy Level
Definition
 the possible level of energy that an electron can have in an atom
Term
 Molecule
Definition
 composed to 2 or more atoms that are chemically combined
Term
 Atom
Definition
 smallest component of an element
Term
 Elements
Definition
 are made up of one type of atom
Term
 Compounds
Definition
 are made up of one kind of molecule
Term
 Mixtures
Definition
 not pure substances. It is 2 or more substances that are mixed together but are not chemically combined, They can be separated by physcial means.
Term
 Colloid
Definition
 a mixture which one substance is dispersed evenly throughout another, and the particles are bigger than that of a solution but the particles dont settle
Term
 Suspension
Definition
 a mixture with bigger particles and it does eventually settle out
Term
 Solution
Definition
 smaller particles,does not settle, remains in mixture
Term
 Homogenous
Definition
 the particles are small, they stay evenly distributed (kool aid)
Term
 Heterogenous
Definition
 larger particles that settle out (sand and water)
Term
 subatomic particle
Definition
 smaller than an atom
Term
 neutron
Definition
 neutrally charged
Term
 proton
Definition
 positivly charged
Term
 electron
Definition
 negativly charged
Term
 solids
Definition
 have a certain shape, mass, volume
Term
 liquids
Definition
 has a certain volume
Term
 Gases
Definition
 doesn't have a certain shape or volume
Term
 Plasma
Definition
 the state of matter with the highest energy level (sun & stars)
Term
 Chemical Symbol
Definition
 abbreviation for an element
Term
 atomic number
Definition
 number of protons in the nucleus
Term
 atomic mass
Definition
Term
 the average of masses of isotopes of an element
Definition
Term
 mass number
Definition
 total numberof protons and neutrons
Term
 atomic mass unit
Definition
 AMU
Term
 bohr model
Definition
 a model of the atomic structure of an atom
Term
 metals
Definition
 malleable, ductile, good conductors of heat and electricity, shiny
Term
 non-metals
Definition
 brittle and dull, not malleable and ductile, poor conductors of heat and electricity
Term
 Metalloids
Definition
 conducts small amounts of heat and electricity, some are used as semiconductors
Term
 Transition Metals
Definition
 similar to one another and other metal, valence electron may vary
Term
 Lanthanides
Definition
 rare earth metals, highly reactive
Term
 Actinides
Definition