Writing A Proper Hypothesis

1
Writing A Proper Hypothesis

• Using the If / Then / Because Method

2
Parts of the Statement

• Independent Variable
• The condition be studied. It is controlled by
  the experimenter.
• ex. Water
• Dependent Variable
• The condition affected by the ind. variable. It
  cant be controlled by the experimenter.
• ex. Plant Growth
• Control
• The condition that is represented in a normal
  situation.

3
Steps to Writing the If section of your
Hypothesis

• Start your sentence with the word If
• Write down one of the variables
• Connect statement with one of the following
• is related to
• is affected by
• causes
• Write down the other variable

4
Writing the Then section of your Hypothesis

• Write the word then (following the if section)
• Make a comment on the relationship between those
  two variables.
• Ex. If section
• If water is related to plant growth,
• Ex. Then section
• then the more you water plants, the bigger
  they will grow.

5
Writing the Because section of your Hypothesis

• Write the word because (following the then
  section)
• Make a comment on the relationship between the if
  and then section.
• Ex. If section
• If water is related to plant growth,
• Ex. Then section
• then the more you water plants, the bigger
  they will grow
• Ex. Because section
• because water helps plants to grow.

6
Final If / Then/ Because Statement

• If water is related to plant growth, then the
  more you water plants, the bigger they will grow,
  because water helps plants to grow.

7
Resources

• eia.egreen.wednet.edu/science/.../hypotheses/if-th
  en_hypothesis.ppt