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Chem Chap 2 Sec 1

Scientific Method

QuestionAnswer
The Process researchers use to carry out their investigations is called Scientific method
The use of senses to obtain information Observing
A logical approach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses, adn formulating theories that are supported by data Scientific Method
Data that is descriptive qualitative
Data that is numerical quantitative
a set of particles or interacting components considered to be a distinct physical entity for the purpose of study System
an explanation that is based on prior scientific research or observations and that can be tested Hypothesis
a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept Model
the explanation for some phenomenon that is based on observation, experimentation, and reasoning; that is supported by a large quantity of evidence; and that does not conflict with any existing experimental results or observations theory
a series of steps that scientists use to answer questions and solve problems. scientific method
data that describes the qualities of a material, such as color or texture. Qualitative data
data taken regarding magnitude, size or amount of something. It deals with measurable quantities Quantitative data
a pictorial view of the relationship between two variables Graph
statements that apply to a range of information Generalization
serves as a basis for making predictions and for carrying out further experiments hypothesis
often drafted as “if-then” statements hypothesis
During testing, the experimental conditions that remain constant controls
any condition that changes Varialbes
a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept model
the explanation for some phenomenon that is based on observation, experimentation, and reasoning; that is supported by a large quantity of evidence; and that does not conflict with any existing experimental results or observations theory
Stages in a scientific method Observing, Formulating Hypotheses, Testing, Theorizing, Publish results
True or False: A scientific method is a single, fixed process. False. Steps are repeated many times.
Models are visual, verbal, or __________ mathematical
matter is composed of tiny particles called atoms atomic model of matter
a broad generalization that explains a body of facts or phenomena theory
Theories are considered successful if they can predict what The results of many new experiments.
Created by: tbstinso