Unit 0: Nature of Science

Question 1

The scientific study of life

Answer 1

Biology

Question 2

Understanding how the natural world works

Answer 2

Science

Question 3

Tools developed to improve life

Answer 3

Technology

Question 4

A good scientific hypothesis must be __ and __

Answer 4

Testable and falsifiable

Question 5

Experiment, gather evidence, reason

Answer 5

Test

Question 6

Things held constant and not changed

Answer 6

Controls

Question 7

Things changed to determine how it affects outcomes

Answer 7

Variables

Question 8

Variable that can be changed by researchers

Answer 8

Independent

Question 9

Variable that may be changed by interaction with independent variable (what you’re looking for)

Answer 9

Dependent

Question 10

Unintended influences that affect outcomes of tests

Answer 10

Bias

Question 11

Ways to minimize bias

Answer 11

Randomizing, single-blind, double-blind, placebo

Question 12

Good scientists try to design tests that ___ hypotheses, not ___ them

Answer 12

Disprove, support

Question 13

Organisms used instead of people, and to represent people, in tests

Answer 13

Model organism

Question 14

T or F: Correlation = Causation

Answer 14

False

Question 15

Standard deviation

Answer 15

A measure of how spread out from the average a group is

Question 16

Statistically significant

Answer 16

A result that is very unlikely due to chance differences between two groups, and so is likely to represent a real difference between the groups