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