1.3

Question 1

What are the 3 main topics covered in 1.3?

Answer 1

Writing a scientific hypothesis, control groups, and error bars

Question 2

What is the second step in writing a scientific hypothesis?

Answer 2

If independent variable inc/dec then dependent variable inc/dec.

Question 3

What is a control group made of?

Answer 3

1 control group and 1+ experiment group

Question 4

What does the independent variable do in a control group?

Answer 4

It distinguises between

Question 5

What is the first step in writing a scientific hypothesis?

Answer 5

(topic) is caused by (specific reason)

Question 6

What is the most important part of a scientific hypothesis?

Answer 6

Using evidence to support answer

Question 7

What are the 3 types of error bars?

Answer 7

SD, SE and percentage examples

Question 8

What do error bars do?

Answer 8

They give a standard idea of how close something is by chance or if they are different

Question 9

What does it show the standard error of?

Answer 9

The mean or the confidence interval

Question 10

What is a control group?

Answer 10

The standard to which comparisons are made in an experiment