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MP1 Vocab

Use these activities to help you study the vocabulary terms from this chapter

AB
densitythe ratio of the mass of an object to its volume
accuracycloseness of a measurement to the true value
kilogramthe mass of 1 L of water at 4°C
temperatureAverage kinetic energy of particles in a substance
meterthe SI base unit of length
measurementa quantity that has both a number and a unit
Celsius scaletemperature scale on which water freezes at 0° and boils at 100°
dimensional analysisa way to analyze and solve problems, using the units of the measurements
scientific notationa method of expressing numbers as a product of a coefficient and a power of 10
absolute zerozero on the Kelvin scale, temperature at which all molecular motion stops
grambase SI unit of mass
International System of Unitsthe revised version of the metric system of measurement
Kelvin scaletemperature scale on which water freezes at 273 and boils at 373
literbase SI unit of volume
precisionmeasure of how close a series of measurements are to one another
weightforce that measures the pull of gravity on a given mass
significant figures/digitsin a measurement all of the digits that are known, plus a last digit that is estimated
kilo (k)SI prefix for 1000 times larger
deci (d)SI prefix for 10 times smaller
centi (c)SI prefix for 100 times smaller
milli (m)SI prefix for 1000 times smaller
thermal energyTotal kinetic energy of particles in a substance
heatTransfer of Thermal Energy between objects
timethe interval between two events measured in seconds
metric systemStandardized measurement system used all over the world by all scientists
hypothesisA prediction, based on research, about the outcome of an experiment/solution to a problem which specifically relates the IV to the DV
independent variableManipulated variable; the factor that the scientist changes
dependent variableResponding variable; the factor that we expect will change in an experiment as a result of the change in the IV
constantsFactors (variables) that stay the same
controlExperiment used as the standard for comparison of results; o Experiment that is closest to the “normal” situation
trialsNumber of times an experiment, object or organism is tested at each level of the IV
conclusionStatement of what you have learned from the experiment
observationWhat the experimenter sees, hears, smells, feels or tastes
quantitative observationData that uses words to describe the condition of something
qualitative observationobservations based on the 5 senses
volumeA measure of the amount of space an object takes up
massthe amount of matter in an object


ADV/IB Life Science & ADV Physical Science
Tuckahoe Middle School
Henrico County, VA

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