1.3

Question 1

How do you set up a hypothesis?

Answer 1

If <independent> <increases/decreases>, then <dependent> <increases/decreases></dependent></independent>

Question 2

What is the difference between an independent variable and a dependent variable?

Answer 2

The independent variable is the variable you are manipulating while the dependent variable is responding to that manipulation.

Question 3

What axis is the dependent variable on?

Answer 3

the y axis (up and down)

Question 4

what axis is the independent variable on?

Answer 4

the x axis (side to side)

Question 5

What is a control group in a scientific experiment?

Answer 5

A control group is a group in the experiment in which as variable is not being tested.

Question 6

What is the importance of a control group in a scientific experiment?

Answer 6

A control group is a standard to which comparisons are made in an experiment

Question 7

What does an error bar show?

Answer 7

An error bar shows variability and range in data

Question 8

What is the difference between a large and small error bar?

Answer 8

A large error bar shows more range while a small error bar shows less range

Question 9

What does overlap show in an error bar?

Answer 9

Overlap shows that there is probably no difference between the graphs

Question 10

What does no overlap show in an error bar?

Answer 10

No overlap shows that there is probably no difference between the graphs