2.Inside our Earth 48 Question ------- Akshay Agg.

What is the uppermost layer of the Earth's surface called?

• Mantle
• Core
• Crust
• Sima

Which mineral constituents are primarily found in the continental mass?

• Silica and magnesium
• Silica and alumina
• Nickel and iron
• Magnesium and alumina

What is the main composition of the oceanic crust?

• Nickel and iron
• Silica and alumina
• Silica and magnesium
• Nickel and magnesium

Which type of rock is formed from molten magma that cools on the Earth's surface?

• Sedimentary rock
• Metamorphic rock
• Intrusive igneous rock
• Extrusive igneous rock

What is the process called when igneous rocks are subjected to heat and pressure, leading to their transformation?

• Weathering
• Erosion
• Rock cycle
• Sedimentation

Which layer of the Earth has the highest temperature and pressure?

• Crust
• Mantle
• Core
• Sima

What type of rocks have a fine-grained structure and are formed from rapid cooling of lava on the Earth's surface?

• Sedimentary rocks
• Intrusive igneous rocks
• Extrusive igneous rocks
• Metamorphic rocks

Which type of rock can change into another type under great heat and pressure?

• Sedimentary rock
• Igneous rock
• Metamorphic rock
• Fossilized rock

What is the main composition of the Earth's core?

• Nickel and iron
• Silica and alumina
• Silica and magnesium
• Nickel and magnesium

What process involves the transformation of rocks from one type to another in a cyclic manner?

• Erosion
• Weathering
• Rock cycle
• Metamorphism