Topic C2.4 The Earth - Core Questions

What are the four layers of the Earth?

• Crust, Mantle, Outer Core, Inner Core

• Crust, Lithosphere, Asthenosphere, Core

• Mantle, Lithosphere, Hydrosphere, Core

• Crust, Biosphere, Atmosphere, Core

What is the mantle made of?

• Solid rock

• Liquid water

• Molten metal

• Frozen gas

What is the physical state of the outer core?

• Liquid

• Solid

• Gas

• Plasma

What is the physical state of the inner core?

The mixture of gases that surrounds the Earth is known as the?

• Atmosphere

• Lithosphere

• Hydrosphere

• Biosphere

Which part of the atmosphere is nearest the Earth?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Which gas makes up 78% of the atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Argon

Which gas makes up 21% of the atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

What are the 3 types of rock?

• Sedimentary, Igneous, Metamorphic

• Granite, Marble, Sandstone

• Basalt, Limestone, Quartz

• Shale, Slate, Gneiss

What are sedimentary rocks made of?

• Separate grains

• Molten lava

• Solid metal

• Crystals

• Compressed gas