GRADE 3 SCIENCE QUIZ PRELIMINARY ROUND (Morning Batch)

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Venus is considered as Earth’s-twin because :

• It is the brightest planet in the night sky.

• It is the hottest planet in the Solar System.

• Its size and shape are similar to that of the Earth.

• It has no moons.

Which planet does not have rings ?

1)Earth 2)Venus 3)Mars 4)Mercury

•  Only 1

• 2 and 3 only

• 2, 3 and 4

•  All of these

What are the three elements needed for fire to occur?

• Fuel, heat, and oxygen

• Water, heat, and oxygen

• Fuel, light, and oxygen

• Fuel, heat, and wind

The four largest planets of the solar system in descending order are

• Jupiter Mercury Saturn and Uranus

• Mercury Jupiter Saturn and Neptune

• Jupiter Saturn Uranus and Neptune

• Jupiter Mercury Saturn and Neptune

 What is the process by which water is purified for drinking?

• Filtration

• Carbonation

• Decantation

• Sedimentation

What is the process by which water vapour in the atmosphere forms clouds?

• Condensation

• Evaporation

• Sublimation

• Freezing

What is a fire extinguisher filled with?

• water

• air

• a fire-suppressing agent

• gasoline