| Term | Definition |
|
science |
An organized way of using evidence to learn about the natural world |
|
Observation |
using one of the 5 senses |
|
data |
information gathered from observations |
|
inference |
logical interpretation based on prior knowledge and experience |
|
hypothesis |
possible explanation for a set of observations or an answer to a scientific question |
|
spontaneous generation |
incorrect theory stating that living things could arise from nonliving matter |
|
controlled experiment |
used to test a hypothesis by changing only one variable at a time |
|
manipulated variable |
part of an experiment that is deliberately changed |
|
responding variable |
the changes that occur in response to the manipulated variable |
|
Theory |
a well tested explanation that unifies a broad range of observations |
|
biology |
branch of science that seeks to understand the living world |
|
cell |
a collection of living matter enclosed in a barrier that seperates it from its surroundings |
|
sexual reproduction |
two cells from different parents unite to form the first cell of a new offspring |
|
asexual reproduction |
new organism formed from a single parent |
|
metabolism |
combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes |
|
homeostasis |
the process by which organsims keep their internal conditions reltively stable |
|
evolve |
change in a group of organisms over time |
|
metric system |
system of measurement based on the number 10 used by scientists |
|
light microscope |
produce magnified images by focusing visible rays of light |