2024-ES Q1-Week1-3 (sample exam) for ARYAN (G7)

What is the outermost layer of the Earth called?

• Crust

• Mantle

• Core

• Asthenosphere

What type of waves can P waves travel through?

• Only solids

• Gases, liquids, and solids

• Only gases

• Only liquids

What is the Mohorovicic discontinuity also known as?

• Moho

• Asthenosphere

• Lehmann

• Gutenberg

Which layer of the Earth makes up about 80% of its total volume?

• Crust

• Core

• Lithosphere

• Mantle

What is the primary composition of the outer core?

• Granite

• Solid iron

• Liquid iron and nickel

• Silicate rocks

What is the temperature at the top of the mantle?

• 2000°C

• 1000°C

• 5000°C

• 3000°C

What type of rock is the upper mantle primarily made of?

• Basalt

• Granite

• Peridotite

• Olivine

What is the depth range of the asthenosphere?

• 350 to 660 km

• 100 to 350 km

• 660 to 2900 km

• 0 to 100 km

What is the main characteristic of the mesosphere?

• It is the outer layer

• It is liquid

• It is solid despite high temperatures

• It is made of gases

What happens to seismic waves when they pass from one material to another?

• They disappear

• They refract and reflect

• They become sound waves

• They speed up