Unit 1 vocab Flashcards
Testable
A question that is able to be tested
non-testable
A question that is not able to be tested or tried
Quantitative
Relating to measuring or being measured
Qualitative
relating to the nature or standard of something
trials
Repetitions of the same procedure
Observation
Observing something going on around you
Empirical Evidence
the information obtained through observation and documentation of certain behavior and patterns or through an experiment
Data
a gathered body of facts
Model is science
a representation of a phenomenon, object, structure, or system.
Analogy
similarity of function and superficial resemblance of structures that have different origins
Prototype
a human-made object that is used as the standard of measurement of some physical quantity to base all measurement of that physical quantity against
Hypothesis
an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true
Variable
anything that can change or be changed within an experiment
Procedure
a detailed, step-by-step list of everything you will do in your experiment, including the materials and methods you will use.
Accuracy
how close a measurement is to the true or accepted value
Precision
how close measurements of the same item are to each other.
Scientific Method
Question, Research, Hypothesis, Experiment, Data Analysis, Conclusion, and Communication
Control
an element that remains unchanged or unaffected by other variables.
Constant
something invariable or unchanging
Predict
a specific statement about what will occur (i.e. the outcome or pattern that will be observed) in a particular research investigation
Infer
the process of drawing conclusions based on evidence and reasoning
Independent variable
a variable that stands alone and isn’t changed by the other variables you are trying to measure
Dependent variable
the variable that changes as a result of the independent variable manipulation
Manipulated variable
the factor or condition that is purposely changed by the scientist
Responding variable
the part of an experiment that a scientists measures and observes closely for a change or a response
Sample size
the number of participants or observations included in a study
Validity
how accurately a method measures what it is intended to measure
Trends in Data
the general change in a variable with time
Correlation
the relationship between variables
Variability
When you order a favorite dish at a restaurant repeatedly, it isn’t exactly the same each time
Mass
a measurement that refers to the amount of matter that makes up an object
Volume
the amount of space occupied by a sample of matter
Weight
the force exerted on a body by gravity
percent
a relative value indicating hundredth parts of any quantity
Rate
Rate of change
Ratio
a comparison in terms of a quotient of two numbers a and b, usually written as ab or a/b
Line Graph
a graphical display of information that changes continuously over time
Bar graph
each column (plotted either vertically or horizontally) represents a categorical variable
Pie graph
a circular statistical graphic which is divided into slices to illustrate numerical proportion
Scatter plot
Identifies a possible relationship between changes observed in two different sets of variables
Claim
A generalization based on a reported statistically significant effect
Evidence
Information collected via Rigorous scientific methods that change their belief in the truth of factual claims of the first to the fourth kind
Reason
A significant ground of explanation or logical defense
Theory
a well sustained explanation of an aspect of the natural world that can incorporate laws, hypothesis, and facts
