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Obj 1 - Scientific Processes
Texas TAKS Prep - Objective 1
31
Science
8th Grade
01/05/2010

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Term
Scientific Processes
Definition
includes various methods and procedures that scientist use to answer questions and solve problems
Term
Observations
Definition
when you gather information using any of your five senses
Term
Hypothesis
Definition
a statement that can be tested by conducting a controlled experiment
Term
Controlled Experiment
Definition
an investigation that test only one factor at a time
Term
Variable
Definition
a factor that changes during an investigation
Term
Control
Definition
a variable that a scientist keeps the same throughout an investigation
Term
Independent Variable
Definition
the factor that a scientist changes during an investigation
Term
Dependent Variable
Definition
the change that occurs in response to a change in the independent variable
Term
Data
Definition
observations or measurements that are made during a controlled experiment
Term
Qualitative data
Definition
types of information by observations, and can be explained with words
Term
Quantitative data
Definition
types of information by observations, and can be explained with numbers
Term
Organize Data
Definition
data put into charts, tables or graphs
Term
Analyze
Definition
to interpret and evaluate data be breaking it down into its elements
Term
Conclusion
Definition
a data based decision to accept or reject a hypothesis
Term
Inference
Definition
a logical conclusion based on evidence
Term
Evidence
Definition
proof or information on which a conclusion can be based
Term
Extrapolate
Definition
to estimate or infer data beyond a given set of data
Term
Prediction
Definition
a statement about what will happen in the future
Term
Communicate results
Definition
to share your results of experiments with others around the world
Term
Model
Definition
a representation of an object or a system
Term
Analogy
Definition
a comparison between two similar things or events
Term
Ratio
Definition
the relationship between two quantities
Term
Scale Model
Definition
the size of the model parts are in consistent ratio to the sizes of the parts in the real object
Term
Limitation
Definition
a restriction on the usefulness of a model
Term
Theory
Definition
a widely accepted scientific explanation for something that happens in nature
Term
Bias
Definition
an opinion or a point of view that is highly personal based on a belief that is not supported by evidence
Term
Reproducibility
Definition
describes how alike the results of an experiment are when reproduced by different scientists using the same method and substance
Term
Claim
Definition
a statement about what a product can do
Term
Empirical evidence
Definition
evidence acquired through direct observation in a controlled experiment
Term
Skepticism
Definition
an attitude of questioning or doubt
Term
Critical thinking
Definition
includes analyzing, reviewing, and critiquing explanations you come across before you accept the explanation as fact
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