When the Solar System Was Forming, the Building Blocks from Which

question 36

Multiple Choice

When the solar system was forming, the building blocks from which the protoplanets gathered together were the:

• A) gold, iron, and nickel atoms
• B) planetesimals (a few km to tens of km wide)
• C) giant accretion grains about the size of Mars
• D) extremely hot clouds of gas torn out of the Sun, which was already shining brilliantly
• E) pure water ice crystals, about the size of a snowflake

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Definitions:

Expert Thinking

Advanced mental processes employed by individuals with extensive knowledge or skill in a particular domain, enabling them to solve problems, make decisions, and understand complex information efficiently.

Intuitive

Relating to knowing or understanding something instinctively, without the need for conscious reasoning.

Strategic

Relating to the identification of long-term or overall aims and interests and the means of achieving them, often involving planning and resource allocation.

K.Warner Schaie

A psychologist known for his work on the development of human intelligence and cognitive changes across the lifespan.