chapter 2.1: measurements and calculations

Question 1

scientific method

Answer 1

an orderly way of solving a problem

Question 2

step #1 of the SM:

Answer 2

state the problem

Question 3

step #2 of the SM:

Answer 3

gather background information (research, observations, interpretations)

Question 4

step #3 of the SM:

Answer 4

form a hypothesis (educated, testable guess that explains the relationship between observed facts)

Question 5

step #4 of the SM:

Answer 5

perform a controlled experiment to test hypothesis

Question 6

two groups of a controlled experiment:

Answer 6

control group; experimental group

Question 7

control group:

Answer 7

identical to experimental group except no variable

Question 8

experimental group:

Answer 8

contains the variable factor

Question 9

step #5 of the SM:

Answer 9

record results (data) use the SI metric system for recording quantitative data

Question 10

step #6 of the SM:

Answer 10

make conclusions

Question 11

theory:

Answer 11

a hypothesis supported by repeated testing; a theory explains, a law just describes

Question 12

system:

Answer 12

what has been selected for study