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accuracy: colseness of a measurement to the actual value
accuracy closeness of a measurement to the actual: value of what is being measured
albert einstein: jewish--manhattan project--quantam physist
aluminum: can be used as a prized metal, can easily carry an electrical current
amount of substance is: mole
ampere: electric current
an element with high luster and is a good conductor of heat is and is malleable is: metal
and ends with: discovery
antoine lavosiere: father of chemistry
argon: trace amounts found in the atmosphere, odorless and colorless
atomic mass: average of all the isotopes in a given element
atomic mass unite (AMU): how we measure neutrons protons and and electrons
atoms combine and: form elements
atoms with the same number of protons but different neutrons: isotopes
boyles law: volume of gass is inverse perportionallto its pressure
Bruno: agreed with copernicus--catholic church sentenced him to death on the steak in town square
carbon: most essentialelent of life
cesium: official measure of time
charles darwin: bioligist--went on a ship called beagle--supposed to be in south africa,,but they went to the gallapoghost islands
charles law: volume of gas is directly porportionalto its pressure
chlorine: extremely poiseonous gas, used in bleech, chloro-means "greenish yellow"
compound: a substance made up of two or more elements that are combined chemically
condensation: liquid to gass
conversion factors: ratio of equal measurements that convert a quantity of expressed in one unit
copernicus: miloj copernick(real name) believed in helio centric universe
copper: used in household pipes-conducts electricity--name mean "from cyprus"
dalton: is credited with the atomic theroy
density=: mass/volume
deposition: gas to solid
dierct porportion: relationship in which the RATION OF TWO VARIABLES IS CONSTANT
during a chemical reaction atoms that become atoms with a charge are now: ions
eddie halley: wrote---principia
electricity is: voults
energy is: joule
examples of models: maps, globes
fluorine: latin "to flow" added to public drinking water to preserve teeth
force is: newtons
francium was found in: 1937
frequency is: herts
galileo: a devoted catholic--scientific method dialog on the two church world systems
germanium: founded by WINKLER,,named after german
gold: will not rust--massive luster why so many people like it--measured in Karats
heat of fusion: amount of heat to melt something
heat of vaporization: the amount of heat used to vaporiz something
How did science come about,: threwout history humans have been curious. The suriousity of humans resulted in Fire, tools and the devolopement of language.
hydrogen is a: essential element
if a atom gains and electron it will become: negative
if an atom looses an electron: it will become positive
if the atom is neutral: the atomic number can equal the number of electrons
in a controled experiment, only: one variable is changed
in the periodic table there are 2 rows all alone called: series
instnsity of light: candela
iodine: violet) in greek--found in sea weed--when placed with alchohal it can be a medicine
iron: most common metal, rusts easily,used to make steele
johannes kepler: blind-astronomer
kinetic energy: energy an object has because of its motion
lead: found as far back as 500 bc name means plumbum where we got the term pluming
magnese: add to steele to make guns, magnatic capabilities
magnesium: Found in greece makes water hard and undrinkable
mass numbers: proton+neutron
mass=: density*volume
matter: anything that takes up space and has mass
matter that contains only one type of atom: ELEMENTS
mendeleeve: created modern periodic table
mercury: 1 of 2 elements found as a liquid the the is bromine...only metal classified as a liquid origional name was quicksiilver
meter: distance
models make it easier to understand things that: might be difficult to observe directly
most metal is solid accept: mercury
Natural Science is divided into how many parts: 3 parts
neils bohr: modern atomic model
Neon: glows when energized, name comes from neos meaning new
nickel: 25% of a nickel is real nickel--rare metal--non-corrosive--name meanss satan
Nitrogen: found naturally as a gas
nuclide symbol: mass number/ atomic number
number of neutrons: mass number- atomic number
oxygen: 21% of atmosphere, and forms the ozone
pasteurizing: perserving liquids
phosperous: name mean berror of light,name means, "glowing"
platinum: official standard for mass in platinum because it decays slower than any other metal
potassium: extremely explosive in water, plants require potassium, used in gun powder
power: watts
precision: how exact a measurement is
pressure is: pascale
printing press: discovered in the dark ages and now books can be published
ptolomey: philosopher---believed in the geocentric universe
rennasance: 1453-1600
robert boyle: Invisible university
Ruthe ford: used gold foil in discovering the neclues
rutheford: crocodile--discovered necleus---chemist
scandium: named after scandanavia
Science and technology-: independant advances in one lead to anvance in another,for example physics lead to transistor
science begins with: curiousity
scientific law summarizes: the pattern found in nature
scientific method: identify problem--hypothesis--experiment--analyze results--
scientific method is used for: understanding,or to solve a problem
scientific theroy: well tested explanation for a set of observations
Scientist who discovered the electron: thompson
shielding electrons: protect the necleus
significant figures: all digits known ina measurement plus the last digit estamated
silicon: used in computer chips, found in nature as quarts
silver: one of few metals that can be found in isolated state in natue--highly prized, expensive--comes from the word in latin "argentum"
sodium: can easily be turned into liquid, can be used to remove heat from a necleus
strontium: used in fireworks -cuz it burns a bright red
subatomic particle exchanged during a chemical reaction: Electron
sublimation: solid to gas
sulfur: yellow, produced from volcanic erruptions
technetium: first synthetic elemen in the 1950's--name mean "artifical"
temperature: kelvin
the 3 parts natural science is divided into are: physical science/earth science/life science
the crust is composed of: oxygen and silicon
the division of matter stops with the: BEC
the first elements: earth wind and fire and water
the group in between group 2 and 3 on the periodic table: transition metals
the last synthetic element: francium
the mantle is composed of: iron and magnesium
The mass of an atom comes almost completely from its: necleus
the most common form of matter is: plasma
the origional periodic table is arreanged by: increasing mass
the periodic table is: a chart arranged by all the elements is a trendy way
the series in the periodic table: lanthonite and anticide
the subatiomic particles: proton neutrons and electron
the ___is ont he top and ___is on the bottom: lanthonite is on top and anticide is ont he bottom
there are 7: base units
tin: name comes from the latin word "stannum"
titanium: extremely strong metal---medical uses such as fixing broken bones
tungsten: origional name was wolf ramthat is why its symbol is w,,and it is used in lightbulbs
tyco brahe: predicted thefirst eclips,,then everybody thought he was a fortune teller,,,he has a gold nose
uraninum: earths heaviest natural element
valalnce electrons: out side the orbital
versalees: grave robber
viscosity: how thick a liquid is
volume =: mass/density
what are the origional 12 elements: carbon, oxygen, mercury, copper, silver, gold, tin, lead, bismuth, antimony, arsenic, sulfur
WHat is a scientific law: the scientific lw is a statement and it describes an observed pattern in nature with out attempting to explain
what is mallebility: is it able to be hammered with out shattering
what is the basis of science: curiousity
what type of elecrons are involved in chemical reactions: valance electrons
Who discovered the necleus?: rutheford
who made the first 4 elements: aerostatle
zinc: makes pennies