Based on Its Average Density of 2970 Kg/m³ Compared with That

question 204

Multiple Choice

Based on its average density of 2970 kg/m³ compared with that of water at 1000 kg/m³,what is the internal structure of Jupiter's moon Europa thought to be?

• A) almost entirely water in liquid form or as ice
• B) large iron core, the rest rock
• C) half rock, half water and ice
• D) small metallic core of high density with one quarter of its mass composed of water and ice

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Definitions:

Fast Mapping

A process by which children learn new words after only a brief encounter, connecting it with their own mental categories.

Logical Extension

A strategy children use to increase their vocabulary in which they extend a new word to other objects in the same category.

False Belief Tasks

Are cognitive exercises used primarily in developmental psychology to assess an individual's understanding that others can hold beliefs different from reality.

Egocentric Problem Solvers

A characteristic of early childhood cognitive development where individuals can only see situations from their own perspective.