LAB 4 - Scientific Investigation II

Question 1

What are the 4 steps of the scientific method after predicting results?

Answer 1

1. perform experiment
2. collect + analyze data
3. Interpret results
4. Publication in a peer-reviewed journal

Question 2

What are 2 ways in which data can be presented?

Answer 2

1. Table

2. Figure (graph, diagram, flowchart, drawing, photograph, etc.)

Question 3

Tables are labeled ________ while Figures are labeled ______

Answer 3

• Tables above

- Figures below

Question 4

Which variable goes on the y axis? x axis?

Answer 4

y axis - dependent

x axis - independent

Question 5

What is the main difference between a bar graph and a histogram?

Answer 5

Bar graph - categorical

Histogram - numerical

Question 6

What is the process of interpreting/communicating results?

Answer 6

1. scientists review scientific lit. relevant to their topic
2. interpret results + develop conclusions
3. peer review
4. paper published in scientific journal

Question 7

How was data collected for the beans + beetles experiment?

Answer 7

-counted eggs per bean in each quadrant

Question 8

What is a line graph?

Answer 8

• shows changes in quantity of chosen variables
• emphasize rise and fall of values over range
• continuous quantitative data

Question 9

What is a bar graph?

Answer 9

-used for data that represent separate/discontinuous groups/non numerical categories

Question 10

What is a primary research article?

Answer 10

-original reports of scientific findings and ideas

Question 11

What is a secondary source?

Answer 11

• more general

- based on analysis, evaluation, reorganization

Question 12

What are tertiary sources?

Answer 12

-info from primary and secondary that is summarized