Science Quiz / Physical Science Review Vocab

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Can you name the Physical Science Review Vocab?

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DefinitionVocab Word
logical interpretation based on prior knowledge and observations
mass per unit volume of a material
having the property of attracting most metals through an invisible 'field'
the change of state from a liquid to a gas
a change from one state of matter to another without a change in chemical composition
subatomic particle that has no charge and that is found in the nucleus of an atom
mixture that does not mix completely and in which individual substances remain distinct
electrons 'buzzing' around the nucleus occupy different distances from it
number in front of a chemical formula in an equation that indicates how many molecules of reactant and product are involved
chemical reaction occurring with the absorption of heat
pH 7
force attraction that holds atoms together
building blocks of matter
two or more substances combined, but not chemically
a well tested idea that explains a wide range of observations
mixture containing small, undissolved particles that do not settle out
colloid in which both phases are liquids
form of energy related to motion
exact temperature where a substance goes from a liquid to a gas
part of a solution present in a lesser amount and dissolved by the solvent
change of state of a solid directly into a gas
property of how consistent a material is through out
ion with a negative charge
believe atoms were solid, invisible, indivisible spheres
discovered the neutron in the nucleus
process of gathering information about events or processes in a careful orderly way
quality of a substance that can be observed/measured without changing the substance's composition
total amount of energy associated with the random movement of atoms and molecules in matter
change of substance from a gas to a liquid
a characteristic of a pure substance that describes its ability to change into different substances
negatively charged particle; located outside the atomic nucleus
change that produces matter with a different composition than the original matter
DefinitionVocab Word
energy required to remove one electron from a neutral atom
starting substances in a chemical reaction
value that indicated the acidity or alkalinity of a solution
metals with one valence electron
made of two or more elements that are chemically combined
region around the nucleus in which electrons are found
do not form ions or react with other elements
groups 3-12
made up of separate parts or elements
exact temperature where a substance goes from a liquid to a solid
substance in the fluid state of matter having no fixed shape but a fixed volume
stored energy
well-mixed mixture that has the same properties throughout
mixture in which particles can be seen and easily separated by filtration
change of state from a liquid to a gas
observation that descibes using your 5 senses
first person to believe in atoms (atomos)
amount of matter in an object
ability of a material to allow either heat or electricity to flow through it
form of energy that is transferred by a difference in temperature
arrangement of the elements in order of their atomic numbers
smallest particle (one or more atoms) of a substance that has all the properties of that substance
weighted average mass of isotopes of an element
two or more atoms with the same atomic number but different number of neutrons
the ending substances in a chemical reaction
pH lower than 7
smallest part of an element
formed when atoms share electrons
vertical column on the Periodic Table
horizontal row on the Periodic Table
located in the outermost energy level of an atom
capable of being shaped or bent or stretched
DefinitionVocab Word
state of matter with fast, spaced out particles
property of a material to be hammered into various shapes without breaking
substance that contains ONE kind of particle
part of a solution that dissolves the solute
average kinetic energy of the individual particles
a liquid's resistance to flow
observation involving measurements and numbers
performed the gold foil experiment and discovered the positively charged nucleus
the amount of space occupied by an object
easily broken when pressure is applied
a change from one state of matter to another
change of state from a gas to a solid
subatomic particle that has a positive charge and is found in the nucleus of an atom
mixture that is uniform in composition (evenly distributed)
sum of the numbers of protons and neutrons in the nucleus (rounded number)
number in a chemical formula that tells the number of atoms in a molecule
chemical reaction in which energy is given off
pH higher than 7
number of protons in the nucleus
includes the symbol for the element and its valence electrons
results from the attraction of positive and negative ions
ions made of more than one atom
ability of an object to rebound to its original position
ability of a material to resist deformation and return to its original position
particle that is electrically charged (positive or negative)
exact temperature where a substance goes from a solid to a liquid
atoms tightly packed with definite shape and volume
how well a material withstands a force
physical property describing how a surface 'feels'
ion with a positive charge
described electrons as moving around in fixed orbits
discovered electrons with his Plum Pudding Model

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