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# Science Test 2

### Science Vocab

TermDefinition
Complex Technology Phones, Computers, Planes.
Accuarcy a description of how close a measurement is to the true value of the quantity measured.
Data Table A shortcut for calculating multiple results in one operation and a way to view and compare the results of all the different variations together
Dependent Variable in a scientific investigation, the factor that changes as the result of the manipulation of one or more independent variables.
Empirical Evedence the observations, measurement, and other types of data that people gather and test to support and evaluate scientific explanations.
Engineering The application of science and mathematics to solve real-life problems.
Experiment An organized procedure to study something under controlled conditions.
Graph Visual aid use by scientists to communicate results
Prediction Indicate in advance on the basis of observation, experience or scientific reason.
Quantitative Observation relating to the information that is expressed by number or quantity.
Qualitative Observation Relating to information that concerns quality or kind.
Range The difference between the lowest and highest values.
Mode The number which appears most often in a set of numbers.
Median The middle number in a sorted list of numbers.
Bar Graph Used to display data and compare data that are separate.
Hypothises A statement predicting the result of a controlled scientific experiment.
Uncontrolled Variable The variable that cant be controlled. Ex: Wind knocking an experiment over
Histogram A type of bar graph the also shows the frequency of data within equal intervals. They use bars instead of Xs
Increments/ Intervals An increase or addition, especially one of a series on a fixed scale.
Independent Variable A variable that is manipulated to determine the value of a dependent variables.
Inference A conclusion reached on the basis of evidence and reasoning
Controlled Variable The one element that is not changed throughout an experiment.
Line Graph Shows continuous data, or data that can take any form, shown a line.
Observation The process of obtaining information by using senses.
Pie/Circle Graph A graphic representation of quantitative information by means of a circle divided into sectors.
Simple Technology Spoon, Chair, Table
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 method.
Metric System A way to measure that all of the world uses.
Qualitive 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 that can be verified or tested.
T Chart A chart with cells that on the left side has Independent Variable and on the right side Dependent Variable. AKA Data table
Technology The applications of science for practical purposes, the use of tools, machines, materials, and process to meet human needs.
X axis On a graph measuring the dependent variable
Y axis On a graph, measuring the independent variable.
Mean The average or sum of all the values in a data divided by the number of items in a data set.
Identify a problem The first step in the Scientific method.
Research The second step in The scientific Method
Hypothisis The Third step in the Scientific method.
Experiment 4th scientific method
Observe 5th step in scientific method
Conclusion Last step in the Scientific method
Identifying a need 1 engineering
Research 2 engineering
Brainstorm 3 engineering
Build prototype 4 engineering
Testing, evaluating, and redesigning a prototype 5 engineering
Communicating results 6 engineering
Created by: 1022858

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