Biology 1 ~ Mrs. Rea
Name _______________________________ Per ___
Across
1. the increase of an object's apparent
size
4. the first step in the Scientific Method
6. One one-thousandth of a liter
8. category in an experiment to which
no change is made (2 words, no
space)
10. basic unit of length in the metric
system
12. a testable explanation based on
observations
13. lever on a LM used to control the
amount of light
16. category in an experiment where one
factor is changed and compared to the
control group
18. used by all living things in order to
stay alive
19. method of measurement based on the
power of 10 (two words, no space)
22. factor in an experiment that is
measured and placed on the Y axis of
a graph (2 words, no space)
Down
2. factor in an experiment that I, the
experimenter, change (2 words, no
space)
3. process where an organism maintains
constant internal conditions
5. same as 1000 grams
7. describes observation based on
numerical measurements
8. mnemonic device describing the
characteristics of living things
9. instrument used to magnify living
things (2 words, no space)
11. extending the trends on a graph for
future predictions
14. procedure used to test a hypothesis
15. living things respond to these from
their environment
17. describes observations based on a
characteristic (e.g., male or female)
20. explanation in science based on much
experimentation that is agreed upon
universally
21. platform on a LM that supports the
slide