What Are Tekites

question 21

Multiple Choice

What are tekites?

• A) globular to teardrop- shaped, dark, glassy, silica- rich impact melts
• B) hard, foliated, hornfels chips in a shale heated by an intrusive granite
• C) unusually coarse- grained migmatites that crystallized in a caldera
• D) granular breccias produced by fault zone shattering

Understand the stages of cognitive development as proposed by Jean Piaget and their characteristics.

Identify and describe methods used to study infant perception and learning.

Analyze the role of errors in understanding cognitive development and thought processes in children.

Recognize the limitations and criticisms of Piaget's theory of cognitive development.

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Definitions:

Free Radical Bromination

A chemical reaction process whereby bromine radicals (Br.) selectively react with C-H bonds in hydrocarbons to form brominated products.

Methane

The simplest alkane, a colorless, odorless gas (CH4), that is the main component of natural gas and a potent greenhouse gas.

Transition State

A high-energy state during a chemical reaction that represents the point of highest energy through which reactants must pass before forming products.

Resonance Stabilized Radical

A radical species whose stability is enhanced by the distribution of its unpaired electron over multiple atoms via resonance.