Earth Science Quiz

What is the deepest we have managed to get inside the Earth?

• 3.5 km

• 5 km

• 10 km

• 15 km

What is the upper part of the lithosphere split into?

• Asthenosphere

• Tectonic plates

• Outer core

• Inner core

What is the lithosphere?

• The innermost layer of the Earth

• The uppermost layer of the Earth

• The middle layer of the Earth

• The outer core of the Earth

What type of rock is the continental crust mostly made of?

• Basalt

• Granite

• Sandstone

• Limestone

What is the average thickness of the oceanic crust?

• 30-50 km

• 10-20 km

• 6-8 km

• 50-70 km

What is the Earth’s age according to the document?

• 4600 million years

• 3000 million years

• 2000 million years

• 1000 million years

What is the asthenosphere?

• A solid layer beneath the lithosphere

• A liquid layer beneath the lithosphere

• A partly molten rock layer beneath the lithosphere

• A gaseous layer beneath the lithosphere

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

• Granite

• Basalt

• Peridotite

• Iron and nickel

Which layer of the Earth has a density range of 9.9-12.2 grams/cm³?

• Lithosphere

• Asthenosphere

• Mantle

• Core

What is the temperature range of the asthenosphere?

• 900-1600°C

• 1600-4000°C

• 4000-5000°C

• 900-9000°C