A Dependent Variable in an Experiment Refers to the Variable

question 302

Multiple Choice

A dependent variable in an experiment refers to the variable

• A) held constant across the experimental conditions.
• B) deliberately manipulated by the experimenter.
• C) that changes value because of the systematic manipulation in the experiment.
• D) that the experimenter is depending on to cause something to happen in the experiment.

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Definitions:

Natural Gas

A fossil fuel consisting mainly of methane, used as an energy source for heating, cooking, and electricity generation.

Nonpoint Source

Pollution that does not originate from a single, identifiable source, but rather from many diffuse sources, often related to rainfall moving over and through the ground.

Crop Yield

The amount of crop (in terms of weight or volume) that is harvested per unit of land area.

Global Climate Change

Refers to the long-term alteration of temperature and typical weather patterns in a place that can lead to severe environmental and health impacts.