| A | B |
|---|
| science | organized way of studying things and finding answers to questions |
| critical thinking | a process that uses certain skills to solve problems |
| scientific methods | an organized way to solve a problem using a series of procedures |
| variable | something in an experiment that can change |
| control | the standard of comparison in an experiment |
| scientific theory | an explanation of things or events based on scientific knowledge |
| scientific law | a statement about how things work in nature |
| International System of Units | standard system of measurements used by scientists |
| cell | smallest unit of an organism that carries on the functions of life |
| stimulus | anything that causes some change in an organism |
| response | the way an organism reacts to a stimulus |
| homeostasis | maintaining the proper conditions inside an organism |
| development | changes that take place during the life of an organism |
| spontaneous generation | theory that living things could come from nonliving things |
| biogenesis | theory that living things come only from other living things |
| phylogeny | the evolutionary history of an organism |
| kingdom | largest category |
| species | smallest category |
| binomial nomenclature | two-word system used by Linnaeus to name species |
| genus | group of similar species |
| field guide | descriptons and illustrations of organisms |
| dichotomous keys | detailed lists of identifying characteristics that include scientific names |
| hypothesis | prediction that can be tested |
