Comprehensive Resource To Help You Ace 2026-2027 Exams Includes Frequently Tested Questions With
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state the proble, form a hypothesis, observe/experiment,
Scientific Method
interpret the data, draw conclusions
experimental group group of subjects the hypothesis is testing
control group group whose hypothesis is not tested,
matter Anything that has mass and takes up space
matter cannot be created or destroyed, but can change
law of conservation of matter
forms
substance that cannot broken down into simpler sub-
element
stances
atom smallest unit of an element
proton positive, in nucleus
neutron neutral, in nucleus
electron negative, orbits outside nucleus
balanced atom same number of protons and electrons
ion atom with imbalanced charge
an atom has ditterent number of neutrons than normal
isotope
amount
atomic mass amount of matter that makes up an atom
atomic number number of protons, defines type of element
time required for half of atoms of substance to disinte-
half life
grate
carbon 14 an isotope created in atmosphere by cosmic rays
analyze amount of C-14 left in organism and compared to
how to know when an organism died
isotope half life
atomic properties are by row (left to right)
periodic table rows and columns
chemical properties are by column (up to down)
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, CSET SUBTEST 2
Comprehensive Resource To Help You Ace 2026-2027 Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
compound substance composed of 2 or more elements
one atom loses an electron, one atom gains an electron
ionic bond
electron
covalent bond when atoms share one or more valence electron
chemical change chemical composition is altered
catalyst what starts a chemical reaction
A combination of two or more substances that are not
mixture
chemically combined
solution mixturewhich one substance is dissolved in another
A mixture in which particles can be seen and easily sepa-
suspension
rated
solids coldest, cant be compressed, doesnt change shape
liquid can be compressed, changes shape
gas hottest, can't be compressed, changes shape
cause of substance state change temperature and pressure
charles law temp increase, volume increase
boyles law pressure increase, volume increases
presence of hydrogen, uses litmus test, negative more
pH
acidic, positive more alkaline
motion change in position
displacement if an object moves in vacuum
speed objects rate of motion
velocity speed and direction, uses vectors
acceleration change in velocity
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