Section 1.3: Methods of Science

Question 1

observation

Answer 1

a direct method of gathering information in an orderly way

Question 2

inferences

Answer 2

logical conclusions

Question 3

scientific methods

Answer 3

the methods used to gather information and answer quetsions

Question 4

hypothesis

Answer 4

a testable explanation of a situation

Question 5

experiment

Answer 5

when scientists investigate a phenomenon in a controlled setting to test a hypothesis

Question 6

control group

Answer 6

a group in an experiment that is used for comparison

Question 7

experimental group

Answer 7

the group in an experiment that’s exposed the factor being tested

Question 8

independent variable

Answer 8

the single factor that changes in a controlled experiment

Question 9

dependent variable

Answer 9

the factor that results from or depends on changes in the independent variable in a controlled experiment

Question 10

constant

Answer 10

a factor that remains fixed during an experiment while the independent and dependent variables change

Question 11

data

Answer 11

information gained from observations

Question 12

what are the two types of data

Answer 12

qualitative and quantitative

Question 13

safety symbol

Answer 13

a logo designed to alert you about a specific danger