1.3 study guide

Question 1

What are the two steps of scientific reason?

Answer 1

Testable Statement and Explanation

Question 2

What are the two parts of a testable statement?

Answer 2

Dependent and Independent variables

Question 3

What are the two groups that you need when experimenting?

Answer 3

Control and Experimental

Question 4

What is the definition of a control group?

Answer 4

standard to which comparisons are made in an experiment.

Question 5

If you were experimenting with plants and how fertilizers affect growth, what would some of the control variables be?

Answer 5

Sunlight, temperature, soil, water, humidity, and more.

Question 6

What are Error Bars?

Answer 6

the range of data collected.

Question 7

If the 2 error bars overlap does it make a difference in the statistics?

Answer 7

The difference is NOT statistically significant.

Question 8

If the 2 error bars have LESS overlap does it make a difference in the statistics?

Answer 8

The difference is probably NOT statistically significant.

Question 9

If the 2 error bars DO NOT overlap does it make a difference in the statistics?

Answer 9

The difference IS statistically significant.