Rocks, Soil and Minerals_1

How did the universe come into existence around 14 billion years ago?

• A) It was always there

• B) It formed from a single point in a gigantic explosion

• C) It was created by a cosmic deity

• D) It evolved from a parallel universe

What were the initial components of the early universe?

• A) Rocks and minerals

• B) Dust and gas

• C) Liquid and water

• D) Plasma and energy

What was the temperature at the beginning of the universe, shortly after the Big Bang?

• A) As cold as outer space

• B) A few degrees above freezing

• C) More than a trillion degrees hotter than the center of the hottest star

• D) Room temperature

What force caused the material to be pulled towards the center and eventually form the sun?

• A) Electromagnetism

• B) Gravity

• C) Nuclear fusion

• D) Solar wind

In the early solar system, where did matter clump together into bands?

• A) Around the sun's core

• B) In the outer reaches of the solar system

• C) Within the sun itself

• D) Along the disk outside the sun

What process led to the formation of rocky bodies in the early solar system?

• A) Fusion reactions

• B) Solar flares

• C) Collisions and joining of dust and debris

• D) Radioactive decay

Which celestial body eventually formed at the center of the early solar system?

• A) A black hole

• B) A giant gas cloud

• C) The moon

• D) The sun

What force caused rocky bodies in the early solar system to attract more particles and grow bigger?

• A) Electromagnetic forces

• B) Solar radiation

• C) Gravity

• D) Magnetic fields

How many inner planets formed in the early solar system as a result of the attraction of rocky bodies?

• A) Three

• B) Four

• C) Five

• D) Six

What is the nature of Inner Planets?

• A) They are primarily composed of gases and liquids.

• B) They are characterized by a solid surface made of rocks and metals.

• C) They have thick atmospheres composed of hydrogen and helium.

• D) They are much larger in size compared to gas giants.