Biology

Biology

scientific study of all forms of life

Science

The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested

Observation

using the senses to study the world; using tools to collect measurements; examining previous research results.

Inference

A conclusion reached on the basis of evidence and reasoning

Controlled experiment

An experiment in which only one variable is manipulated at a time

Independent variable

condition or factor that is manipulated by a scientist during an experiment.

Dependent variable

experimental data collected through observation and measurement.

Control group

In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.

Data

observations and measurements recorded during an experiment.

Theory

proposed explanation for a wide variety of observations and experimental results

Bias

A particular preference or point of view that is personal, rather than scientific

Law

a descriptive statement or equation that reliably predicts events under certain conditions

Experiment

process that tests a hypothesis by collecting information under controlled conditions

Constant

condition that is controlled so that it does not change during an experiment

experimental group

In an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable.

Hypothesis

A testable prediction, often implied by a theory