The Actual Amount of Time It Takes for Earth to Rotate

question 35

Multiple Choice

The actual amount of time it takes for Earth to rotate 360° on its axis is called a

• A) meridian day.
• B) 24-hour day.
• C) sidereal day.
• D) mean solar day.
• E) solar day.

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Definitions:

Dependent Variable

In research, it's the variable that is being tested and measured, expected to change as a result of manipulations to the independent variable.

Manipulated

Refers to the controlled alteration or handling of variables in experiments to determine cause-and-effect relationships.

Placebo Effect

The phenomenon that occurs in an experiment when a participant’s response to a treatment is due to his or her expectations about the treatment rather than to the treatment itself.

Sugar Pill

A placebo, often used in medical trials to test the efficacy of new drugs by comparing their effects to those of an inert pill.