midterm
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| science | the knowledge obtained by observing natural events and conditions
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| data | raw information
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| observation | an act or instnace of noting
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| evolution | the world gradually developed
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| creationism | says that world was created in 6 days
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| irreducidly complex | is a pseudoscientific argument by proponents of intelligent design
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| bacterial Flagellan | is a tail-like projection that protrudes from the cell body of certain prokaryotic eurokaryotic cells
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| scientific method | refers to a body of techniques for investigating phenomena aquiring new knowledge
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| theistic evolution | the world gradually developed
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| intelligent deisgn | the world had to havd had a deisgner
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| hypothesis | a mere assumption or guess
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| qualitative data | is used to describe certain types of information
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| theory | refers to contemplation as opposed to action
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| quanitative data | os data measured on a numerial scale
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| law | is a system of rules usuall enforced through a set of institution
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| density | is defined as its mass per unit volume
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| mass | is a body of matter, usually of indefinite shape and often of considerable size
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| matter | is a general term for the substance of which all physical objects consist
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| measurement | a measured dimension
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| dimensional analysis | is a tool to find ro check relations among physical quantities by using their dimensions
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| scientific notation | also known as standard form or as exponential notation
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| elements | one class of substances that cannot be seperated into simplier substnaces by chemical means
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| compunds | composed of 2 or more parts elements, or ingredients
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| mixtures | an aggregate of 2 or more substances that are not chemically united and that exist in no fixed proportion to each other
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| pure substance | is any material with a definite chemical composition
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| density | diatomic molecules are molecules composed of 2 atoms
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| chemical property | is any of a material's properties that becomes evident during a chemical reaction
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| physical change | a change of matter from one form to antoher without a change in chemical properties
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| attractive | is an infleunce that causes a free body too undergo a change - its a type of force
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| temperature | is a physcial propety of omatter that quantitatively expresses the common notions of hot and cold
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| thermal energy | is a part of the total, internal energy of a thermodynomic system or sample of matter that results in the system's temperature
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| 4 states of matter | solid, liquid , gas, plasma
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| phase change | is a transformation of a thermodynamic system from one phase to another
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| Charles Law | is a gas law which describes how gases tend to expand when heated
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| Boyle's Law | is one ot the gas law and describes the inversely proportional relationship between the absolute pressure and volume of gas
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| law of definite proportions | states that a chemical compound always contains exactly the sam proportion of elements by mass
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| fission | the process by which a nuclues splits into 2 or more frequencies and releases neutrons and energy
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| fusion | the process which light nuclei combine at extremely high temperature
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| isotopes | an atom that has the same number of protons as the other atoms of the same elements
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| half life | the time required for half of a sample of a radioactive isotope to break down
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| part is a atom | nuclues consists of neutrons and protons with electrons flying around it
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| energy levels | the number of energy levels that are filled in an atom deoends on the number of electrons
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| electrons | a subatomic particle with a negative charge
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| protons | a subatomic particle with a positive charge
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| neutrons | a subatomic particle that has no charge
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| atomic mass | is the mass of a specific isotope of a given atom
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| atomic number | the number of protons in the nucleus of an atom
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| group number | is a vertical column in the periodic table
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| types of bonds formed | ionic bond, covalent bond, metalliac bond
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| ionic bond | the attractive force between oppositely charged ions the electrons are transferred from one atom to the other
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| covalent bond | a bond formed when atoms share one or more pairs of electrons
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| metalliac | a bond formed by the attraction between positively charged metal ions and the electrons around them
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| subscripts | the number that comes after the bond to tell you how many of them there is
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| octet rule | states that on the last valance electon ring has to be 8
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| electron configuration | is the arrangement of elctrons in an atom
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| period number | the rows on the periodic table
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| valance electrons | the electrons in the outer energy level of an atom
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| electron dot notation | are diagrams that show the bonding between atoms of a molecule
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| signs of a chemical reaction | rust, carbon dioxide in water, leaves changins, burning
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
jdavid
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