How Do Protoplanets Grow?


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question 1 of 3

This is a process whereby a growing celestial body captures gas from the solar nebula through gravity:

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1. The release of gases trapped in the interior of a planet is known as:

2. The heat that is generated by way of infalling matter during the formation of a planet is known as:

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About This Quiz & Worksheet

Use this quiz/worksheet combo to help you test your understanding of the growth of protoplanets and the vocabulary surrounding the concept. Some vocabulary terms you'll be assessed on include outgassing, differentiation, and gravitational collapse.

Quiz & Worksheet Goals

In these assessments, you'll be tested on descriptions of the following:

  • Gravitational collapse
  • Outgassing
  • Heat of formation
  • Differentiation
  • Jovian planets

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on the growth of planets
  • Defining key concepts - ensure that you can accurately define main terms, such as outgassing and heat of formation
  • Information recall - access the knowledge you've gained regarding the growth of protoplanets

Additional Learning

To learn more about planet formation, review the accompanying lesson How Do Protoplanets Grow? This lesson covers the following objectives:

  • Define protoplanet
  • Explain how protoplanets grow
  • Describe two ways protoplanets were heated in our early solar system
  • Tell how the terms differentiation and 'outgassing fit into an understanding of protoplanet growth
  • Clarify 'gravitational collapse' as a method by which early protoplanets formed