Quiz #1

Question 0

What is step one?

Answer 0

Identify a problem

Ask a question(s)

Question 1

How many steps are there in the scientific method?

Answer 1

7

Question 2

What is step two?

Answer 2

Collect information about the problem

Research (get educated)

Question 3

What is step three?

Answer 3

Create a hypothesis

Educated guess (answer)

Question 4

What is step four?

Answer 4

Test the hypothesis

Experiment

Question 6

What is step five?

Answer 6

Make observations

• measurements and numbers
• –> analyze —> “paint a picture”

Question 7

What is step six?

Answer 7

Come to a conclusion

From data analysis—> Logical (makes sense/matches data)

Question 8

What is step seven?

Answer 8

Revise the hypothesis and retest

Revise when hypothesis is wrong
Retest every experiment

Question 9

What is LOGIC

Answer 9

thought patterns match data/evidence

Question 10

Parts of an Experiment

Answer 10

Constant, Independent, and Dependent variable, and Experimental Error, and Sample Size, and Statistics, graphs, and charts

Question 11

Constant variables

Answer 11

stays the same for each test specimen/group

Question 12

independent variables

Answer 12

changes; the test

Question 13

dependent variables

Answer 13

measurement/data of or from test

Question 14

Need to have in exp.?

Answer 14

control group

Question 15

Experimental Error

Answer 15

unavoidable uncontrollable error

Question 16

sample size

Answer 16

number of test subjects

Question 17

statistics graphs and charts

Answer 17

data analysis is always a graph

Question 18

5 most important graphing rules

Answer 18

1 label with proper units
2 y-axis is dependent variable
3 x-axis is independent variable
4 equal increments
5 use appropriate graph

Question 19

when do you use a pie chart

Answer 19

when using percentages

Question 20

when do you use a bar graph?

Answer 20

comparisons

\

Question 21

when do you use a line graph?

Answer 21

when trying to show change over time

Question 22

what is a line graph

Answer 22

best shows relationship between two variables
has one or more lines connecting a series of points
x-axis has the most consistent variable in the experiment
y-axis will have another variable

Question 23

what is a bar graph

Answer 23

x and y axis
uses columns
on some bar graphs the x-axis has labels rather than a numerical scale
used only to show comparisons

Question 24

what is a pie chart

Answer 24

“part of the whole”

percentage