Planetary Facts Quiz

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Questions and Answers

Which planet has the largest known volcano, Olympus Mons?

  • Mars (correct)
  • Venus
  • Earth
  • Mercury

What is the primary gas that gives Uranus its blue color?

  • Oxygen
  • Carbon Dioxide
  • Nitrogen
  • Methane (correct)

Which planet has the fastest wind speeds, reaching up to 2,000 km/hr?

  • Saturn
  • Jupiter
  • Uranus
  • Neptune (correct)

How many known moons does Saturn have?

<p>18 (B)</p> Signup and view all the answers

What is the approximate time it takes for Neptune to complete one orbit around the Sun?

<p>165 years (A)</p> Signup and view all the answers

Which is the largest island country in the world?

<p>Indonesia (D)</p> Signup and view all the answers

What is the primary importance of the lithosphere?

<p>All of the above. (D)</p> Signup and view all the answers

What is the approximate percentage of the Earth's water that is found in the oceans?

<p>97.2% (D)</p> Signup and view all the answers

What is the primary purpose of the Earth's atmosphere?

<p>All of the above. (D)</p> Signup and view all the answers

What is the approximate temperature range of the exosphere, the outermost layer of the Earth's atmosphere?

<p>-86.5°C to 1200°C (D)</p> Signup and view all the answers

Which gas makes up the largest percentage of the Earth's atmosphere?

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

What is the main effect of the Earth's rotation on its axis?

<p>Resulting in day and night (B)</p> Signup and view all the answers

Which phenomenon is responsible for the bulging at the equator and flatness at the poles on Earth?

<p>Rotation on its axis (B)</p> Signup and view all the answers

What is the primary characteristic of the Earth's revolution around the Sun?

<p>Elliptical shape of orbit (D)</p> Signup and view all the answers

How long does it take for the Earth to complete one rotation on its axis?

<p>24 hours (B)</p> Signup and view all the answers

Which phenomenon is responsible for the different lengths of day and night experienced on Earth?

<p>Circle of illumination (C)</p> Signup and view all the answers

What is the primary function of the atmosphere?

<p>To keep the planet warm (D)</p> Signup and view all the answers

Which of the following is a part of the biosphere?

<p>All of the above (D)</p> Signup and view all the answers

What is the primary function of the ozone layer?

<p>To protect from harmful UV rays from the sun (A)</p> Signup and view all the answers

What effect does heavy UV radiation have on plants and plankton?

<p>It prevents their growth and survival (B)</p> Signup and view all the answers

What is the primary reason that life can exist on Earth?

<p>The presence of water on Earth (C)</p> Signup and view all the answers

What is the relationship between the Earth and the Moon?

<p>The Moon is a satellite that orbits the Earth. (A)</p> Signup and view all the answers

What would happen if the Earth moved closer to the Sun?

<p>The heat on Earth would increase, and it would take less time to orbit the Sun. (C)</p> Signup and view all the answers

Why is it difficult to see other planets from Earth?

<p>The brightness of the stars and the distance and size of the planets make them hard to see. (D)</p> Signup and view all the answers

What is the primary force that keeps planets and satellites in orbit?

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

What is the closest distance between the Earth and the Sun?

<p>147.1 million km (B)</p> Signup and view all the answers

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