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WorksheetsLa Estructura de la Tierra
Total questions: 15
Worksheet time: 8mins
How many layers does the Earth have according to the text?
Three
Four
Six
Five
What is the outermost layer of the Earth called?
Mantle
Lithosphere
Core
Crust
What is the main composition of the oceanic crust?
Granite
Sandstone
Limestone
Basalt
How thick can the Earth's crust be?
Between 5 and 70 kilometers
Between 1 and 40 kilometers
Between 20 and 80 kilometers
Between 10 and 100 kilometers
What percentage of the Earth's total volume does the mantle represent?
More than 60%
More than 50%
More than 80%
More than 70%
What is the state of the rocks in the mantle?
Liquid
Solid
Gaseous
Semi-liquid or viscous
What generates the Earth's magnetic field?
The outer core
The mantle
The inner core
The crust
What are the two types of crust mentioned in the text?
Upper and Lower
Oceanic and Continental
Eastern and Western
Northern and Southern
What is the temperature range of the outer core?
Between 2,200 and 4,900 degrees Celsius
Between 4,000 and 6,000 degrees Celsius
Between 1,000 and 3,000 degrees Celsius
Between 3,000 and 5,000 degrees Celsius
What elements are believed to make up the inner core?
Carbon and Hydrogen
Magnesium and Calcium
Silica and Oxygen
Iron and Nickel
How is the Earth's crust primarily composed?
Slate and shale
Sandstone and limestone
Marble and quartz
Basaltic rocks and granite
What causes earthquakes according to the text?
The movement of the tectonic plates
Volcanic eruptions
Meteor impacts
Tidal forces
What is the asthenosphere?
A hot, 'fluid' layer beneath the lithosphere
The outermost layer of the Earth
A layer of liquid metal
A layer of solid rock
What is the thickness of the inner core?
About 500 kilometers
About 1,200 kilometers
About 3,000 kilometers
About 2,200 kilometers
How do scientists study the Earth's inner layers?
By drilling deep into the mantle
By sending probes to the core
By deducing from information collected from the surface
By direct observation
