Ch 1-3 Science Key Terms

science
a way of learning about the natural world through observations and logical reasoning; leads to a body of knowledge
observing
the process of using one or more of your senses to gather info.
quantitative observation
an observation that deasls with a number or amount
qualitative observation
an observation that deals with number or amount
inferring
the process of making an inferrence, an interpretation based on observations and prior knowledge
predicting
the process of forecasting what will happen in the future based on past experience or evidence
classifying
the process of grouping together items that are alike in some way
making models
the process of creating representations of complex objects or processes
scientific inquiry
The ongoing process of discovery in science; the diverse ways in which scientists study the natural world and propose explanations based on evidence they gather
hypothesis
A possible explanation for a set of observations or answer to a scientific question; must be testable
variable
A factor that can change in an experiment
controlled experiment
An experiment in which only one variable is manipulated at a time
manipulated variable
The one factor that a scientist changes during an experiment; also called independent variable
responding variable
The factor that changes as a result of changes to the manipulated, or independent, variable in an experiment; also called dependent variable
operational definition
A statement that describes how to measure a particular variable or how to define a particular term
data
Facts, figures, and other evidence gathered through observations
communicating
The process of sharing ideas with others through writing and speaking.