Asteroids and Comets Are

question 50

Multiple Choice

Asteroids and comets are

• A) planetesimals left over from the era of planet formation
• B) former moons of the jovian planets that were lost into interplanetary space
• C) the remnants of early planets that fragmented into pieces
• D) fragments of material blasted from the inner planets during the era of planet formation

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Definitions:

Sensorimotor

A developmental stage in young children characterized by learning through interacting with their environment using senses and muscle movements.

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.