In a High School Laboratory, Which of the Following Constitutes

question 20

Multiple Choice

In a high school laboratory, which of the following constitutes an experiment?
I.learning to use a microscope by examining fixed specimens on slides
II.being able to examine swimming protists under a microscope
III.extracting pigments from plant leaves and separating the types of pigments for identification
IV.preparing root tips for examination by staining them

• A) I only
• B) II only
• C) III only
• D) II and III only
• E) II, III, and IV

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Definitions:

Formal Operational

The stage in Piaget’s theory of cognitive development where individuals learn to think logically about abstract concepts and hypothetical situations.

Concrete Operational

A stage in Piaget's theory of cognitive development where children gain the ability to think logically about concrete events.

Preoperational

A stage in Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, characterized by an increase in symbolic play and egocentrism but a lack of logical operations.

Theory of Mind

The ability to attribute mental states—beliefs, intents, desires, emotions—to oneself and others and to understand that others have beliefs and perspectives different from one's own.