Intro to Biology Chapter 1 Exam | Scientific Method, Variables & Experiments

Intro to Biology Chapter 1 Exam | Scientific
Method, Variables & Experiments
science

organized way of gathering and analyzing evidence about the natural world

observation

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

inference

a logical interpretation based on prior knowledge and experience

hypothesis

possible explanation for a set of observations or possible answer to a scientific question

controlled experiment

experiment in which only one variable is changed

independent variable

factor in a controlled experiment that is deliberately changed; also called manipulated variable

dependent variable

factor that is observed and that changes in response to the independent variable; also called
the responding variable

control group

group in an experiment that is exposed to the same conditions as the experimental group
except for one independent variable; typically the "normal" or "null" conditions; used to
compare

experimental group

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

controlled variable

factor in an experiment that is kept the same between the control and experimental groups

theory