Three Models of the Universe: Flat, Open & Closed


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question 1 of 3

Which universe model is shaped like a sphere?

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1. Which model of the universe is said to have negative curvature?

2. This is an infinite and uncurved space-time model of the universe:

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About This Quiz & Worksheet

The questions in this assessment test your ability to use what you know about the models of the universe to identify key characteristics of each model and related concepts.

Quiz & Worksheet Goals

Work through this quiz to:

  • Define characteristics of each model
  • Understand critical density
  • What the best theories say about our universe

Skills Practiced

  • Information recall- access the knowledge you've gained regarding what the best theories predict about the universe
  • Distinguishing differences - compare and contrast the flat, open, and closed models of the universe
  • Knowledge application - use your knowledge to answer questions about critical density

Additional Learning

Make use of the lesson entitled Three Models of the Universe: Flat, Open & Closed to learn more about these theories and be able to:

  • Differentiate between the three theories of the universe's shape
  • Identify which model is considered most likely to be correct
  • Understand the importance of knowing the shape of the universe now