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Olympiad (Class 5) Universe — practice questions — page 2

Explore 59 free Universe questions in Olympiad (Class 5) General Knowledge. Open each question or exercise to read its content, reference answers and available explanation.

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Universe questions and exercises with answers

Showing questions 31–59 of 59.

Spacecraft cross the real asteroid belt safely. Why?Read the answer and worked solution →Why does Uranus have such extreme seasons?Read the answer and worked solution →Which planet lies between Saturn and Neptune in distance from the Sun?Read the answer and worked solution →Earth is 1 AU from the Sun. About how many AU is Jupiter from the Sun?Read the answer and worked solution →A planet has bright rings, is mostly hydrogen and helium, and has six-sided storms at its poles. Which planet is it?Read the answer and worked solution →The Sun is classed as which kind of object?Read the answer and worked solution →A star hotter and brighter than the Sun would most likely live for a time that is what?Read the answer and worked solution →The Moon takes about how long to go from one new moon to the next?Read the answer and worked solution →Earth's diameter is about 12,800 km and the Moon's is about one-quarter of that. About how wide is the Moon?Read the answer and worked solution →Moon gravity is one-sixth of Earth's. A 120 N box on Earth weighs about what on the Moon?Read the answer and worked solution →Why do we always see the same face of the Moon from Earth?Read the answer and worked solution →Which statement about the far side of the Moon is true?Read the answer and worked solution →On the Moon, sunlit ground is hot and shaded ground freezes. Why?Read the answer and worked solution →Which shape comes between a quarter moon and a full moon?Read the answer and worked solution →What happens in a lunar eclipse?Read the answer and worked solution →During a total solar eclipse, which body covers the Sun completely?Read the answer and worked solution →Which event can make the Moon look red as sunlight bends through Earth's air?Read the answer and worked solution →About how long does light take to travel from the Moon to Earth?Read the answer and worked solution →Why does the Moon sometimes look bigger in our sky?Read the answer and worked solution →Which body mainly causes the tides in Earth's oceans?Read the answer and worked solution →A huge collection of stars, gas and dust held together by gravity is called what?Read the answer and worked solution →Which star is nearest to Earth after the Sun?Read the answer and worked solution →A star is 4 light-years away. About how long does its light take to reach us?Read the answer and worked solution →Two stars that are held together by gravity and orbit each other are called what?Read the answer and worked solution →Which kind of star is the most common in the Milky Way?Read the answer and worked solution →Match each Solar System planet with its notable astronomical property:Read the answer and worked solution →Match each celestial object with its astronomical definition:Read the answer and worked solution →Match each deep space structure with its cosmological scale:Read the answer and worked solution →Match each natural satellite or dwarf planet with its identity:Read the answer and worked solution →

Worked practice questions

Spacecraft cross the real asteroid belt safely. Why?

  1. Its rocks are very far apart
  2. The rocks are soft like foam
  3. Its rocks all move away
  4. Spacecraft are invisible
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Correct answer: A. Its rocks are very far apart

The asteroid belt is very thinly populated, so there is a huge empty space between one rock and the next.

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Why does Uranus have such extreme seasons?

  1. It is the hottest planet
  2. It orbits tilted on its side
  3. It has no solid core
  4. It is closest to the Sun
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Correct answer: B. It orbits tilted on its side

Because Uranus is tipped on its side, each pole points toward the Sun and then away for long periods.

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Which planet lies between Saturn and Neptune in distance from the Sun?

  1. Jupiter
  2. Mars
  3. Venus
  4. Uranus
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Correct answer: D. Uranus

Uranus orbits at about 18 to 20 AU, between Saturn at about 9 to 10 AU and Neptune at about 30 AU.

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