Week 2 Vocabulary Review Quiz Friday, September 3 rd.

Week 2Week 2Vocabulary ReviewVocabulary Review

QuizQuiz

Friday, September 3Friday, September 3rdrd

accuracyaccuracy

how close a measurement is to how close a measurement is to the true or accepted valuethe true or accepted value

percent errorpercent error

a calculation used to determine a calculation used to determine how accurate, or close to the how accurate, or close to the true value, an experimental true value, an experimental value really is value really is

scientific literacyscientific literacy

the knowledge and the knowledge and understanding of scientific terms understanding of scientific terms and principles required for and principles required for evaluating information, making evaluating information, making personal decisions, and taking personal decisions, and taking part in public affairs part in public affairs

volumevolume

the amount of space an object the amount of space an object takes up. takes up.

graphgraph

a picture of information from a a picture of information from a data table; show the relationship data table; show the relationship between variables.between variables.

slopeslope

the steepness of a graph line; the steepness of a graph line; the ratio of the vertical change the ratio of the vertical change (the rise) to the horizontal (the rise) to the horizontal change (the run).change (the run).

estimateestimate

an approximation of a number an approximation of a number based on reasonable based on reasonable assumptions. assumptions.

SISI

International system of Units; a International system of Units; a version of the metric system version of the metric system used by scientists all over the used by scientists all over the world.world.

meniscusmeniscus

the curved upper surface of a the curved upper surface of a liquid in a column of liquid.liquid in a column of liquid.

data pointdata point

a point on a graph showing the a point on a graph showing the location of a piece of data. location of a piece of data.

horizontal axis (x-axis)horizontal axis (x-axis)

a line that runs left to right a line that runs left to right along the bottom of a graph, on along the bottom of a graph, on which the manipulated (or which the manipulated (or independent) variable is labeled. independent) variable is labeled.

vertical axis (y-axis)vertical axis (y-axis)

a line that runs up and down a line that runs up and down along the side of a graph, on along the side of a graph, on which the responding which the responding (dependent) variable is labeled. (dependent) variable is labeled.

linear graphlinear graph

a line graph in which data points a line graph in which data points yield a straight line. yield a straight line.

significant figuressignificant figures

all the digits in a measurement all the digits in a measurement that have been measured that have been measured exactly, plus one digit whose exactly, plus one digit whose value has been estimated value has been estimated

nonlinear graphnonlinear graph

a line graph in which the data a line graph in which the data points do not fall along a points do not fall along a straight line.straight line.

precisionprecision

how close a group of how close a group of measurements are to each measurements are to each other.other.

line of best fitline of best fit

a smooth line that reflects a smooth line that reflects the general pattern in a the general pattern in a graph.graph.

metric systemmetric system

a system of measurement based a system of measurement based on the number 10.on the number 10.

originorigin

the point where the x-axis and the point where the x-axis and y-axis cross on a graph.y-axis cross on a graph.

massmass

a measure of the amount of a measure of the amount of matter an object contains. matter an object contains.

coordinatecoordinate

a pair of numbers used to a pair of numbers used to determine the position of a point determine the position of a point on a graph.on a graph.

weightweight

a measure of the force of gravity a measure of the force of gravity acting on an object. acting on an object.

densitydensity

a measure of how much mass is a measure of how much mass is contained in a given volume. contained in a given volume.

meanmean

the numerical average of the the numerical average of the numbers in a list. numbers in a list.

medianmedian

the middle number in a list of the middle number in a list of numbers.numbers.

modemode

the number that appears most the number that appears most often in a list of numbers. often in a list of numbers.