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42 Cards in this Set
- Front
- Back
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A reflection of how near the actual measurement the taken measure is (or it's degree of correctness) is known as _________.
A reflection of how close multiple measurements are to one another (or its level of reproducibility) is known as __________ |
Accuracy
Precision |
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The mass in grams of a substance?
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Molar mass
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T/F mass is NOT the same as weight?
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True
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T/F in most atoms there are an equal number of protons and electrons so the overall charge is 0?
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True
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Energy that can be used for work w/i a system?
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free energy
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A chemical bond that yields a net release of free energy?
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Exergonic reaction?
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A reaction that yields a net absorption of free energy?
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Endergonic reaction
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A chemical substance that decreases the amount of activation necessary for a chemical reaction?
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catalyst
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Chemical reactions that result in transference of electrons?
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reduction-oxidation reactions (redox reactions)
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Reaction that occurs when atom loses one or more electrons resulting in a positive charge?
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oxidation reaction
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Reaction that occurs when an atom gains one or more electrons, resulting in a negative charge?
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reduction reaction
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Why does hydrogen gas exist at H2, and never just H?
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It is unstable on its own
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Theory that states particles in all forms of matter are constantly in motion?
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Kinetic theory
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An empty space with no particles and no pressure?
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vacuum
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Forms when the temperature of the gas lowers enough for condensation to occur?
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liquid
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A liquid changed into a gas?
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vaporization
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A liquid changed into a gas without boiling?
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evaporation
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Substances change from solid to liquid (through ___________) and then to gas (through ________)
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melting, vaporization
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Process when solid changes directly into gas w/o going through a liquid stage?
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sublimation
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Eukaryotes
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Cells with a membrane around the nucleus
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Prokaryotes
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unicellular organisms such as bacteria
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Hypotonic
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concentration outside is lower than inside
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Hypertonic
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concentration outside is higher than inside
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Isotonic
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water moves in and out of the cell to establish equilibrium
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Alleles
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dominant are capital letters and recessive are lower-case letters
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Homozygous
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when both parents give the offspring the same allele
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Heterozygous
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when the parents do not give the offspring the same allele for a particular trait
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What is the sugar in RNA?
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Ribose
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VOLUME UNITS OF ENGLISH SYSTEM a. 1 cup = ___ounces b. 1 pint = ___cups c. 1 quart= ___pints d. 1 gallon=___quarts = ____oz
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a. 8oz b. 2c c. 2 pints d. 4 quarts, 128oz
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EQUIVALENCES OF SOME ENGLISH & METRIC a. 1 L = ___quarts? b. 1 kg = ___lbs? c. 1 in = ___cm? d. 1 oz = ___g? e. 1 m = ___yards?
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a. 1 (1.06) quarts b. 2.2 lbs c. 2.54 cm d. 28g e. 1 yard
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What is the most prevalent mineral in the body?
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Ca
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air surrounding the earth
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atmosphere
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Greek word for earth
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geo
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the celestial sphere
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space
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four elements that comprise the study of earth science
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1-space (celestial sphere) 2-atmosphere 3-lithosphere 4-hydrosphere
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water that covers about three-fourths of the earth
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hydrosphere
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study of earthquakes
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seismology
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etymology of the word "philosophy"
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Greek words philos (loving) and sophos (wisdom)
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etymology of the word "science"
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from the Latin word sciens, "to know"
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solid part of the earth
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lithosphere
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literal meaning of "atmosphere"
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"vapor sphere, or ball," from the Greek words atmos and sphaira
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meaning of "litho"
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from the Greek word lithos, meaning "stone"
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