Independent and Dependent Variables
A variable is something that is capable of changing. What is a Variable? A variable is something that is capable of changing.
What is an INDEPENDENT VARIABLE? An independent variable is something that is changed to observe the effect it has on the dependent variable. **Causes the change
What is a DEPENDENT VARIABLE? A dependent variable is something that is expected to change because of the independent variable. **Experiences the change
What is a Controlled Variable? Something that does not change and is used as a comparison against the results of the experiment. **NEVER changes
“The ________ variable causes the ________ variable to change.” 1: Independent 2: Dependent
Example 1 The temperature of the water was measured at different depths of the lake. IV: water depth DV: temperature
Example 2 The amount of time you study will make a positive difference on your next test score. IV: study time DV: test score
Example 3 Lemon trees receiving the most water produce the largest lemons. The ___________ causes the ___________ to change. IV: amount of water DV: lemon size
Steps of the Scientific Method https://www.youtube.com/watch?v=_7sSuhQ1_24
1- State the Problem 2- Research 3- Form a Hypothesis 4- Experiment 5- Analyze Date 6- Conclusion 7- Repeat
https://www.youtube.com/watch?v=MyFi6BQfDik
SCIENTIFIC METHOD QUIZ FRIDAY!!!!!