Scientific Method

Hypothesis means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured 

 Independent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

Control group means

• the scientist controls what to test
• what we compare our results to; doesn't change by the scientist
• same throughout experiment to get valid results
• what is being measured

Constant means

• the scientist controls what to test
• what we compare our results to; doesn't change by scientist
• same throughout experiment to get valid results
• what is being measured 

All of these are parts of the scientific method EXCEPT:

• Your name
• Hypothesis
• Conclusion
• Data

If you increase the number of e-cigarettes you smoke, then you will increase your risk for lung cancer.
What's the independent variable?

• e-cigarettes you smoke
• risk for lung cancer

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

If carrots are eaten daily, then there will be an improvement in vision. Based on this hypothesis, what is the independent variable?

• an improvement in vision

• carrots eaten

• people wearing glasses

A student changes the number of hours he studies for a test to see how it affects his test score. What is the dependent variable?

• hours studied

• test score