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# Science Unit 1

TermDefinition
Accuracy A description of how close a measurement is to the true value of the quantity measured.
Complex Technology Cars, phones, computers planes, etc
Data Table Tables that hold data that can be used in a graph.
Dependent Variable In a scientific investigation the factor that changes as a result of manipulation of one or more independent variables.
Empirical Evidence the observations measurements and other types of data people gather in tests to support and evaluate scientific explanations
Engineering the application of science and mathematics to solve real life problems
Expiriment an organized procedure to study something under controlled conditions.
Graph A diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
Prediction To tell in advance/ for tell the future
Quantitative Observation Relating to information that is expressed by a numbers or quantity
Range the difference between the largest and the smallest number in a data set.
Mode The number or numbers that occur the most frequently in a data set
Median The middle number in an ordered data set with an odd number of data points
Bar Graph A diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width
Hypothesis A testable idea or explanation that leads to scientific investigation
Uncontrolled variable Somthing like a force of nature, size of something, or its phisically unchangeable
Histogram a diagram consisting of rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval
Increments/Intervals an increase or addition, especially one of a series on a fixed scale.
Independent Variable In a scientific investigation, the factor that is deliberately manipulated
Infrence A conclusion reached on the basis of evidence and reasoning
Controlled Variable In scientific experimentation is the experimental element which is constant and unchanged throughout the course of the investigation.
Line Graph A type of chart which displays information as a series of data points called 'markers' connected by straight line segments
Observation The process of obtaining information by using sentences
Pie/Circle Graph a type of graph in which a circle is divided into sectors that each represent a proportion of the whole
Simple technology Items such as forks, chairs, tables, pencils, etc
Precision The exactness of a measurement
Prototype A test model of a product
Pseudoscience a process of investigation that in one or more ways resembles science but deviates from the scientific methods
Metric System The decimal measuring system based on the meter, liter, and gram as units of length, capacity, and weight or mass
Qualitative Observation relating to information that concerns quality or kind
Science The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested
T Chart A chart that shows the independent and the and dependent variable
Technology The application of science for practical purposes ; the use of tools, machines, and processes to meet human needs
X axis The axis on a graph going horizontal; independent variable
Y axis The axis on a graph that is going vertical; dependent variable
Created by: Brennan DeGuzman