SSC MTS EXAM

SSC

PHYSICS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

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

A	increase the amount of iron in your blood
B	spinach you eat
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -The independent variable is the condition that is changed to test the hypothesis while the dependent variable is the that is measured as the result of the changes in the dependent variable.

Detailed explanation-2: -Example: You are interested in how stress affects heart rate in humans. Your independent variable would be the stress and the dependent variable would be the heart rate.

Detailed explanation-3: -The independent variable is the one that is changed by the scientist. To insure a fair test, a good experiment has only ONE independent variable. As the scientist changes the independent variable, he or she records the data that they collect.

There is 1 question to complete.