biology 1.1

define theory

well-tested explanation that brings together various observations and hypotheses, enabling accurate predictions.

define data

evidence; information gathered from observations

define observation

process of noticing and describing events or process in a careful orderly way

define inference

a conclusion drawn from prior knowledge and experiences.

define hypothesis

a possible explanation for what you observe or an answer to a scientific question.

define controlled experiment

experiment in which only one variable is changed

define independent variable

factor in a controlled experiment that is can be changed

define dependent variable

the variable that you watch or measure in an experiment; it changes based on the independent variable.

define control group

group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable