Class-3-Science Olympiad Questions and Answers

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Class 3 Science Olympiad Questions with Answers are designed to strengthen young learners’ conceptual understanding of basic science topics such as plants, animals, energy, the human body, and natural phenomena. These aptitude test practice sets help students develop logical and scientific thinking through engaging, objective-type questions. Each question comes with an easy explanation to encourage curiosity and concept clarity. Olympiad-style aptitude questions and answers PDFs are perfect for both school-level and national-level exam preparation. Students can take free online tests to track progress and build confidence. This section is ideal for early learners aiming to excel in competitive school science exams.

Class-3-Science Olympiad

Showing 10 of 157 questions

71. The first man to walk on the moon was a/an

  • American
  • British
  • Russian
  • Indian
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72. __________ part of the earth's surface is covered by water.

  • One third
  • Two third
  • One fourth
  • Three fourth
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73. Which of the following is not true about the sun ?

  • It is made up of a huge mass of very hot gases
  • It looks bigger because it is the only big star found in the galaxy
  • It provides heat and light energy forthe living things to survive on earth
  • It is not safe to look directly at the sun with our naked eye
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74. Which of the following statements is true ?

  • The Moon orbits around the Earth's center
  • The Earth and the Moon each orbit around a common center
  • The Earth orbits around the Moon's center
  • Both (A) & (B)
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75. In the given figure which alphabet is representing the Earth ?

  • P
  • Q
  • R
  • Either P or R
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76. The Earth is round like a ball but it appears flat to us because

  • The Earth spins about its axis
  • The Sun covers the remaining part
  • We can see only a part of the Earth
  • Earth is bigger than Moon
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77. Which of the following is the third planet from the Sun ?

  • Earth
  • Pluto
  • Mars
  • Jupiter
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78. Which of the following remains same on Earth and the Moon ?

  • Sound
  • Mass
  • Length
  • Force
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79. Our solar system consists of eight planets. These are of various shapes and sizes. Which of the following planets is with a ring ?

  • Earth
  • Pluto
  • Jupiter
  • Saturn
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80. It takes twenty-four hours for one rotation of ________

  • The Sun on its axis
  • Earth on its axis
  • Moon on its axis
  • The solar system
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