If you are seeking for MCQ on Class 3 Science In the Sky you have come to the correct source.
What is the smallest planet in our solar system?
a) Venus
b) Earth
c) Mercury
d) Mars
Answer: c) Mercury
Which planet is considered the biggest in the solar system?
a) Saturn
b) Jupiter
c) Uranus
d) Neptune
Answer: b) Jupiter
Which planet is closest to the Sun?
a) Venus
b) Earth
c) Mercury
d) Mars
Answer: c) Mercury
How many planets are there in our solar system?
a) Seven
b) Eight
c) Nine
d) Ten
Answer: b) Eight
Why do planets appear to have light?
a) They generate their own light.
b) They reflect the Sun’s light.
c) They have their own source of illumination.
d) They absorb light from the atmosphere.
Answer: b) They reflect the Sun’s light.
Which position does Earth hold in the order of planets from the Sun?
a) First
b) Second
c) Third
d) Fourth
Answer: c) Third
What distinguishes Earth from other planets in our solar system?
a) It is the smallest planet.
b) It is the only planet with life
c) It has a unique color.
d) It has the highest number of moons.
Answer: b) It is the only planet with life.
How many layers does the Earth have?
a) Two
b) Three
c) Four
d) Five
Answer: b) Three
What is the outermost layer of the Earth called?
a) Core
b) Mantle
c) Crust
d) Atmosphere
Answer: c) Crust
Which movement of the Earth causes day and night?
a) Revolution
b) Rotation
c) Oscillation
d) Orbiting
Answer: b) Rotation
How long does it take for the Earth to complete one rotation?
a) 12 hours
b) 24 hours
c) 48 hours
d) 72 hours