Chapter one vocab.

science

Experiment

Using controlled condition to test a prediction.

Scientific Methods

Procedures used to solve problems and answer questions that can include stating the problem, gathering information, forming a hypothesis, testing the hypothesis with an experiment, analyzing data, and drawing conclusions.

Hypothesis

Prediction that can be tested.

Control

Standard to which the outcome of a test is compared.

Variable

Something in an experiment that can change.

Theory

Explanation of things or events based on scientific knowledge resulting from many observations and experiments.

Law

Statement about how things work in nature that seems to be true consistently.

Raw Materials

Substances needed by organisms to make other necessary substances.

Organism

Any living thing.

Cell

Smallest unit of an organism that can carry on life functions.

Homeostasis

Regulation of an organism’s internal, life-maintaining conditions.

Contaminate

To make impure by coming into contact with an unwanted substance.

Spontaneous Generation

Idea that living things come from nonliving things.

Biogenesis

Theory that living things come from other living things.

Common Name

A nonscientific term that may vary from region to region.

Phylogeny

Evolutionary history of an organism; used today to group organisms into six kingdoms.

Kingdom

First and largest category used to classify organisms.

Binomial Nomenclature

Two-world naming system that gives all organisms their scientific names.

Genus

First word of the two-word scientific name used to identify a group of similar species.