Earth’s Structure
Geography ⇒ Physical Geography
Earth’s Structure starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Earth’s Structure.
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See sample questions for grade 10
Describe how seismic waves help scientists study the Earth's interior.
Describe the process of mantle convection and its significance in plate tectonics.
Describe the role of pressure in determining the state (solid or liquid) of Earth's core layers.
Explain how the study of meteorites helps us understand the Earth's interior.
Explain the difference between the oceanic crust and the continental crust.
Explain the term 'Moho discontinuity'.
Explain why the Earth's crust is important for life.
Explain why the inner core remains solid despite extremely high temperatures.
What is the approximate temperature at the centre of the Earth? (1) 500°C (2) 2000°C (3) 4000°C (4) 5000°C to 6000°C
What is the approximate thickness of the Earth's crust beneath the continents? (1) 5-10 km (2) 30-50 km (3) 100-200 km (4) 500-700 km
Which layer of the Earth is liquid? (1) Crust (2) Mantle (3) Outer core (4) Inner core
Which of the following best describes the lithosphere? (1) Rigid and brittle (2) Soft and flowing (3) Liquid (4) Gaseous
Fill in the blank: The boundary between the mantle and the core is called the _______ discontinuity.
Fill in the blank: The Earth's core is divided into two parts, the _______ core and the _______ core.
Fill in the blank: The Earth's crust is mainly composed of _______ and _______.
The boundary between the crust and the mantle is called the _______.
True or False: The asthenosphere is located above the lithosphere.
True or False: The Earth's core is made up mainly of iron and nickel.
True or False: The Earth's crust is divided into several large and small tectonic plates.
True or False: The Earth's crust is thicker under the oceans than under the continents.
