Earth's Layers and Composition

The video tutorial explores Earth's structure, starting with its position in the solar system and its ability to support life due to essential components like water, air, and minerals. It delves into the Earth's layers, including the crust, mantle, and core, explaining their composition and characteristics. The tutorial highlights the differences between the crust's continental and oceanic parts, the mantle's role in protecting the core, and the core's division into outer and inner layers with varying temperatures and compositions.

Which planet is the third from the sun in our solar system?

• Earth

• Mars

• Venus

• Jupiter

What are the essential components that support life on Earth?

• Fire, Water, Air

• Water, Air, Soil

• Water, Fire, Soil

• Air, Soil, Fire

What is the term for molten rock that erupts from a volcano?

• Lava

• Obsidian

• Granite

• Basalt

What is the outermost layer of the Earth called?

• Core

• Mantle

• Crust

• Lithosphere

Which type of Earth's crust is thicker?

• Oceanic Crust

• Continental Crust

• Both are the same

• None of the above

What is the thickest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the function of the Earth's mantle?

• Both A and B

• None of the above

• Supports the crust

• Protects the core

What is the temperature range of the Earth's outer core?

• 4000-5000 Kelvin

• 3000-4000 Kelvin

• 2000-3000 Kelvin

• 1000-2000 Kelvin

What elements primarily compose the Earth's inner core?

• Iron and Nickel

• Magnesium and Aluminum

• Silicon and Oxygen

• Carbon and Sulfur

Which layer of the Earth is known for its solid iron and nickel composition?

• Outer Core

• Mantle

• Inner Core

• Crust