1.3 experiments

Question 1

What does the standard deviation tell you?

Answer 1

How precise an item of data is

Question 2

What is the first step to writing a hypothesis?

Answer 2

Come up with a specific reason that explains the phenomena

Question 3

What is the second step to writing a hypothesis?

Answer 3

Write a testable statement

Question 4

How many independent variables should there be in an experiment?

Answer 4

One

Question 5

What is an independent variable?

Answer 5

What is changed/altered to test the dependent variable

Question 6

What is the dependent variable?

Answer 6

What is being tested?

Question 7

What axis does the independent variable go on?

Answer 7

x

Question 8

What axis does the dependent variable go on?

Answer 8

y

Question 9

What does a hypothesis look like?

Answer 9

The (phenomenon) is due to/caused by/depends on (specific reason. If (independent variable) increases/decreases then (dependent variable) increases/decreases.

Question 10

What is a control group?

Answer 10

What the experimental groups are compared to