A | B |
scientific method | an organized way to solve a problem or answer a question using a series of steps |
hypothesis | a prediction that can be tested |
variable | something in an experiment that can change |
control | used for comparison in an experiment and cannot change |
theory | an explanation of things or events based on the result of many observations and experiments |
law | a statement about how things work in nature |
homeostasis | maintaining the proper conditions inside an organism |
spontaneous generation | early theory that living things could come from nonliving things |
biogenesis | theory that living things come only from other living things |
organism | any living thing made of one or more cells |
cell | the smallest unit of an organism that carries on the functions of life |