1. Independent Variable Dependent Variable

2. Experimental Design

5. Hypothesis
The plant exposed to fertilizer will grow taller

8. What am I testing?
What is my hypothesis?
What am I measuring?
How will I know if my hypothesis is supported?

9. Independent Variable IV
Manipulated Variable
The thing you are testing

10. Dependent Variable DV Responding Variable
The thing you are measuring as a result of exposure to the IV

11. Parts of a Graph Title y axis dependent variable (unit) x axis
independent variable
(unit)

12. Parts of a Graph MIX DRY Title y axis dependent variable (unit) x axis
independent variable
(unit)

13. Independent Variable: the thing you are testing (CAUSE)
Dependent Variable: the thing you are measuring (EFFECT)

14. Pop Quiz
Students who study 15 minutes a night will have higher test grades than those who do not study at all
People with headaches who take an aspirin will experience relief in less time than those people with headaches who do not take an aspirin
Plants that are watered with distilled water will grow taller than plants watered with tap water

15. Independent Variable: the thing you are testing (CAUSE)
Dependent Variable: the thing you are measuring (EFFECT)