Atomic Structure, Subatomic Particles, Periodic Table, Radioactivity, Scientific Laws & Theories, Density & Archimedes’ Principle, Chemical Reactions, Stoichiometry, Measurement, Units & Conversion, Nervous System, Endocrine Regulation, Memory & Cognition

Atomic Structure, Subatomic Particles, Periodic Table, Radioactivity, Scientific Laws & Theories, Density & Archimedes’ Principle, Chemical Reactions, Stoichiometry, Measurement, Units & Conversion, Nervous System, Endocrine Regulation, Memory & Cognition, Classical & Operant Conditioning, Sensation & Perception, Motivation & Emotion, Learning, Social Behavior, Personality & Disorders, Federalism, Civil Rights, Voting, Political Culture, Health & Stress, Problem Solving & Decision Making Exam Questions Verified and Complete with A+ Graded Rationales Latest Updated 2026 Archimes' principle Used to determine density of an irregular volume (submerge in water) Scientific method Systematic approach of knowledge that uses observations and experiments observation may be quantitative or qualitative hypothesis must be testable and falsifiable scientific laws summary statement or mathematical equation that describes observations, not why or provides an explanation; universal; never wrong (can be done again and again with the same results) (ex- gravity or evolution) Scientific theory explains the why of observations (ex- big bang theory) dimensional analysis method that relies on the construction and use pf conversion factors of a given quantity. conversion factors ratio that is prepared from an equivalence extensive properties depend on the amount of matter that is present (mass) intensive properties do not depend on the amount of matter present (density) John Dalton The atomic theory- basis of out modern understanding of the structure of matter Law of Mass Conservation the total mass does not change in chemical reaction, thus matter cannot be created not destroyed Law of Definite Composition all samples of a pure compo