Protostar: Definition, Formation & Facts Video


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question 1 of 3

What is a protostar?

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1. What is a stellar nursery?

2. What is the next stage of a star's life cycle, after protostar?

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About This Quiz & Worksheet

Protostars are important to be familiar with in astronomy, and this quiz/worksheet will help you test your understanding of their characteristics as well as related terms.

Quiz & Worksheet Goals

In these assessments you'll be tested on the characteristics and definitions of:

  • Protostars
  • Stellar nurseries
  • The star life cycle
  • Energy transfers
  • Main sequence stars

Skills Practiced

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

  • Defining key concepts - ensure that you can accurately define important terms, such as protostar and stellar nursery
  • Distinguishing differences - compare and contrast stages of the star life cycle
  • Information recall - access the knowledge you've gained regarding energy transfer and main sequence stars

Additional Learning

To learn more about protostars and related astronomical terms, review the lesson Protostar: Definition, Formation & Facts. This lesson covers the following objectives:

  • Define protostar
  • Know what a stellar nursery is
  • Define supernova
  • Understand how a protostar becomes a T Tauri star