1.
an organized way of gathering and analyzing evidence about the natural world.
2.
the act of noticing and describing events or processes in a careful, orderly way.
3.
logical interpretation based on what scientists already know.
4.
scientific explanation for a set of observations that can be tested in ways that support or reject it
5.
all other variables should be kept unchanged, or controlled.
6.
the variable that is deliberately changed.
7.
the variable that is observed and that changes in response to the independent variable.
8.
exposed to the same conditions as the experimental group except for one independent variable.
9.
Scientists make detailed records of experimental observations and gather information.
10.
Evidence from many scientific studies may support several related hypotheses.
11.
particular preference or point of view that is personal rather than scientific.
14.
complex information that all organisms store to live, grow and reproduce in a genetic code.
15.
signal to which an organism responds
16.
cells from two parents unite to form the first cell of a new organism
17.
A single organism produces offspring identical to itself.
18.
All organisms need to keep their internal environment relatively stable even when external conditions change
19.
The combination of chemical reactions through which an organism builds up or breaks down material.
