Ch1 Chem vocab Word Scramble
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Term | Definition |
macroscopic | the big picture, what we see with the naked eye |
microscopic | on the particle perspective |
symbolic | symbolic representations: equations, formulas |
matter | anything that has mass and can be observed |
physical properties | doesn't change identity of substance |
density | ratio of mass to volume |
chemical properties | types of chemical changes a substance undergoes |
combustion | burning oxygen in a chemical reaction |
malleability | ability to be rolled and hammered into sheets |
phases | common states: solid, liquid, gas |
atoms | particles that can't be any smaller |
molecules | groups of atoms held together: identity different from individual atoms |
precision | spread of values obtained through measurement |
accuracy | how close observed value to "true" value |
random error | limitations to equipment |
systematic error | consistently too high or too low: unknown bias |
deductive reasoning | 2+ statements so irrefutable conclusion drawn |
inductive reasoning | series of specific observation and making generalizations |
model | empirical description |
theory | explanation grounded in fundamental principle |
ppm | parts per million |
ppb | parts per billion |
elastic modulus | stiffness measurement: stress to strain |
yield strength | amount of force required for specified deformation of material |
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brittanyallers
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