Science Vocab book

Experiment

using controlled conditions to test a prediction

Scientific Method

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

Variable 

something in an experiment that can chang

Theory

explanation of things or events based on scientific knowledge resulting from many observations and experiment

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

Cell

smallest unit of an organism that can carry on life functions

Organism

any living thing

Contaminate

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

Spontaneous generations

idea that living things come from nonliving things.

Biogenesis

theory that living things come only from other living things

Phylogeny

evolutionary history of an organism used today to group into 6 kingdoms.

Kingdom

first and largest category used to classify organism.

Binomial nomenclature

two word naming system that gives all organisms their scientific names

Genus 

first word of the two scientific names and used to identify a group of similar species.

Common name

a nonscientific term that may vary from religion to religion. 

Homeostasis

regulation of an organisms internal life maintaining conditions.