Beyond Our Planet

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Questions and Answers

Which layer of the Earth's atmosphere is closest to the surface?

  • Troposphere (correct)
  • Stratosphere
  • Exosphere
  • Mesosphere

What is the approximate distance between the Earth's surface and outer space?

  • 1,000 km
  • 10,000 km
  • 100,000 km
  • 100 km (correct)

What are some objects found in space?

  • Satellites, rockets, and astronauts (correct)
  • Cars, bicycles, and planes
  • Birds, fish, and dogs
  • Buildings, houses, and roads

Which layer of the Earth's atmosphere is the highest?

<p>Exosphere (C)</p> Signup and view all the answers

What is the age of the universe according to the text?

<p>13.77-13.8 billion years (A)</p> Signup and view all the answers

What is dark matter?

<p>Particles that have high mass density (C)</p> Signup and view all the answers

Space only includes visible objects like the sun, stars, and planets.

<p>False (B)</p> Signup and view all the answers

The Earth is surrounded by 5 layers of atmosphere.

<p>True (A)</p> Signup and view all the answers

Sound waves can travel through space.

<p>False (B)</p> Signup and view all the answers

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