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42 Cards in this Set

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