Mock Exam Science_Grade 8

What is the top layer of the Earth?

• Mantle

• Crust

• Core

• Magma

What is the thickest layer of the Earth?

• Crust

• Mantle

• Inner core

• Outer core

What is the Earth's center called?

• Mantle

• Crust

• Core

• Lithosphere

What is found under the crust?

• Lava

• Mantle

• Outer core

• Inner core

The Earth's crust is made of:

• Ice

• Rocks

• Metals

• Gas

What is the Earth's outermost solid layer?

• Crust

• Mantle

• Lithosphere

• Outer core

What is the hottest part of Earth?

• Crust

• Mantle

• Outer core

• Inner core

What layer is between the crust and core?

• Mantle

• Lithosphere

• Atmosphere

• Hydrosphere

The Earth's core is made of:

• Ice

• Rock

• Metal

• Sand

Why is the inner core solid?

• Low heat

• Low gravity

• High pressure

• High water content