Basics Of Chemistry
What is the science that studies the materials of the universe and their changes?
Chemistry
What is the process of noting and recording something using the senses?
Observation
What is anything that has mass and takes up space?
What technique separates a solid from a liquid using a barrier?
Filtration
What type of property describes how a substance reacts to form new substances?
Chemical Property
What is a well-tested explanation for a natural phenomenon based on evidence?
Theory
What is a proposed explanation for a phenomenon that can be tested?
Hypothesis
What type of property describes a substance without changing its identity?
Physical Property
What separation method uses differences in boiling points?
Distillation
What is a process that transforms substances into new substances?
Chemical Change
What is a statement that describes consistent behavior in nature, often expressed mathematically?
Natural Law
What are digits in a number that carry meaningful information about its precision?
Significant Figures
What type of change alters a substance without changing its composition?
Physical Change
What process removes one substance from a mixture using a solvent?
Extraction
What term refers to the substances present before a chemical reaction takes place?
Reactants
What is the study of chemical processes in the environment and the effects of human activity?
Environmental Chemistry
What method is used to convert units by multiplying by equivalence statements?
Dimensional Analysis
What type of mixture has a uniform composition throughout?
Homogeneous Mixture
What process separates substances based on their movement in a stationary phase?
Chromatography
What term describes the breakdown of a substance into simpler substances?
Decomposition
What term describes combining different substances to create a new compound?
Synthesis
What is the degree to which a measured value may vary due to instrument limitations?
Uncertainty
What is the mass of a substance divided by its volume?
Density
What separation method involves heating a mixture to drive off a volatile substance, leaving behind a non-volatile residue?
Evaporation
What term describes the process of a substance dissolving in a solvent to form a solution?
Dissolution