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Subjects
- UMO
  Unicus Mathematics Olympiad (UMO)
  
  Syllabus (Year 2027-28)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2027-28)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 13, 2027 / Jul 30, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UMO
  
  Olympiad Preparation
  
  FAQs
  USO
  Unicus Science Olympiad (USO)
  
  Syllabus (Year 2027-28)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2027-28)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 9, 2027 / Jul 24, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About USO
  
  Olympiad Preparation
  
  FAQs
  UEO
  Unicus English Olympiad (UEO)
  
  Syllabus (Year 2027-28)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2027-28)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 10, 2027 / Jul 22, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UEO
  
  Olympiad Preparation
  
  FAQs
  UGKO
  Unicus General Knowledge Olympiad (UGKO)
  
  Syllabus (Year 2027-28)
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2027-28)
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 6, 2027 / Jul 16, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGKO
  
  Olympiad Preparation
  
  FAQs
  UCTO
  Unicus Critical Thinking Olympiad (UCTO)
  
  Syllabus (Year 2027-28)
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2027-28)
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 7, 2027 / Jul 20, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UCTO
  
  Olympiad Preparation
  
  FAQs
  UGMO
  Unicus Global Mathematics Olympiad (UGMO)
  
  Syllabus (Year 2026-27)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Sample Papers (Year 2026-27)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Exam Date:
  
  Jan 16, 2027 / Jan 28, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGMO
  
  Olympiad Preparation
  
  FAQs
  UGSO
  Unicus Global Science Olympiad (UGSO)
  
  Syllabus (Year 2026-27)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Sample Papers (Year 2026-27)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Exam Date:
  
  Jan 14, 2027 / Jan 23, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGSO
  
  Olympiad Preparation
  
  FAQs
  UGEO
  Unicus Global English Olympiad (UGEO)
  
  Syllabus (Year 2026-27)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Sample Papers (Year 2026-27)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Exam Date:
  
  Jan 09, 2027 / Jan 20, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGEO
  
  Olympiad Preparation
  
  FAQs
  UAIO
  Unicus Artificial Intelligence Olympiad (UAIO)
  
  Syllabus (Year 2026-27)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Sample Papers (Year 2026-27)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Exam Date:
  
  Jan 19, 2027 / Jan 30, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UAIO
  
  Olympiad Preparation
  
  FAQs
  UGXO
  Unicus Global Xtempore Olympiad (UGXO)
  
  Syllabus (Year 2026-27)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Sample Papers (Year 2026-27)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Exam Date:
  
  Jan 22, 2027 / Feb 3, 2027
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGXO
  
  Olympiad Preparation
  
  FAQs
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Which planet is the smallest?

The smallest planet in our Solar System is Mercury.

It is smaller than all the other planets.
Mercury is very close to the Sun.
It is a rocky planet with many craters on its surface.

Examples:

Mercury is about the same size as the Moon, but it is a planet!
If you had a marble, Mercury would be like a tiny little pebble next to it.
Imagine how fast it goes around the Sun; it takes just 88 days to complete one trip!

Fun Fact: Even though Mercury is the smallest planet, it has a very special spot in our Solar System, being closest to the Sun!

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