Engineering Geology_CH1

What is the approximate thickness of the lithosphere?

• 100 km

• 50 km

• 200 km

• 150 km

Which layer of the Earth is solid and composed mainly of iron?

• Outer Core

• Crust

• Inner Core

• Mantle

What is the primary material of the Earth's outer core?

• Granite

• Liquid iron

• Basalt

• Solid iron

How long ago was the Earth formed?

• 4,600 million years

• 1,000 million years

• 3,000 million years

• 2,500 million years

What is the main purpose of Geographic Information Systems (GIS)?

• Studying earthquakes

• Analyzing soil composition

• Modeling Earth surface

• Measuring temperature

What is the average equatorial radius of the Earth?

• 6,300 km

• 6,371 km

• 6,356 km

• 6,400 km

Which of the following is NOT a type of civil engineering project mentioned?

• Bridges

• Dams

• Skyscrapers

• Roads

What is the primary cause of the Earth's magnetic field?

• Solid iron

• Liquid iron

• Earthquakes

• Rock formations

What is the depth of the Earth's mantle?

• 1,000 km

• 4,000 km

• 2,885 km

• 3,500 km

Which geological time scale unit is the largest?

• Epochs

• Periods

• Eras

• Aeons