Sound Will Be Louder If a Struck Tuning Fork Is

question 20

Multiple Choice

Sound will be louder if a struck tuning fork is held

• A)in the air.
• B)with its base against a tabletop.
• C)with its prongs in shallow water.
• D)in your closed fist.

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Definitions:

Independent Variable

In an experiment, the variable that is added by the researcher to see if it affects the dependent variable.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Researcher

An individual who conducts detailed and systematic investigation into a subject area with the purpose of discovering or establishing new knowledge.

Survey

A method of gathering information from individuals, typically by asking questions to a representative sample of people to draw conclusions about the whole population.