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Chapter 1 Vocabulary Review

Name: ___________________________________
  Date: ____________________ Hour:__________
Across
The scientific study of life
A signal to which an organism responds
A possible explanation for a set of observations or a possible answer to a scientific question
Organized way of gathering and analyzing evidence about the natural world
A process of noticing and describing events or processes in a careful, orderly way
The combination of chemical reactions through which an organism builds up or breaks down materials
The part of the Earth in which life exists, including land, water, and air or atmosphere
The genetic material that organisms inherit from their parents
Down
_____the group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable
A well-tested explanation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predictions about new situations
The relatively constant internal physical and chemical conditions that organisms maintain
________experiment in which only one variable is changed
A particular preference or point of view that is personal, rather than scientific
Evidence; information gathered from observations