Chapter 1.2

Question 1

Scientific Method

Answer 1

a standard method used by scientists for solving problems

Question 2

Important science skills

Answer 2

identify, plan, record observations and data and interpret. All done Correctly.

Question 3

independent variable

Answer 3

variable which CAUSES a change in another

Question 4

dependent variable

Answer 4

variable that WILL CHANGE in response to another

Question 5

controlled variable

Answer 5

kept THE SAME within the experiment

Question 6

control

Answer 6

this is what you compare your results to at the end of the experiment. The initial measurement.

Question 7

Parts of a good experimental design

Answer 7

materials, steps, directions, only change one variable at a time, multiple trails, consistent measurements

Question 8

types if data

Answer 8

quantitative, qualitatitve

Question 9

SI base units

Answer 9

meter, kilogram, second

Question 10

SI derived units

Answer 10

combinations of SI base units (for example, volume=cm3)

Question 11

accuracy

Answer 11

how close your measurements are to the “true” value

Question 12

precision

Answer 12

how close measurements are to each other

Question 13

pie chart

Answer 13

used for percentages, to show parts of a whole

Question 14

bar graph

Answer 14

to compare the same types of data for several different items (the items on x-axis can not be numbered)

Question 15

line graphs

Answer 15

continuous change within a set of data.