What Is One of the Most Common Uses of Polystyrene

question 19

Multiple Choice

What is one of the most common uses of polystyrene?

• A) 2-L soda bottles
• B) Styrofoam cups
• C) Plastic pipes
• D) Plastic food bags
• E) Plastic garbage cans

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Definitions:

Independent Variable

In experimental research, the variable that is manipulated or changed to observe its effects on the dependent variable.

Dependent Variable

The outcome the researcher is interested in measuring.

Confounding Variable

An outside influence that changes the effect of a dependent and independent variable being examined in an experimental study, potentially skewing results.

Problems

Issues, obstacles, or challenges that need to be dealt with or overcome.