Earth’s Structure and Layers
Physics ⇒ Earth and Space Physics
Earth’s Structure and Layers starts at 6 and continues till grade 12.
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See sample questions for grade 8
Describe how the Earth's magnetic field is created.
Describe the difference between oceanic crust and continental crust.
Describe the main difference between the lithosphere and the asthenosphere.
Describe the role of the asthenosphere in plate tectonics.
Explain how scientists know about the structure of Earth's interior.
Explain what is meant by the term 'seismic waves'.
Explain why the Earth's mantle is considered solid, even though it can flow slowly over time.
Explain why the oceanic crust is denser than the continental crust.
Which layer of the Earth is responsible for generating Earth's magnetic field?
(1) Crust
(2) Mantle
(3) Outer Core
(4) Inner Core
Which of the following best describes the composition of the Earth's crust?
(1) Mostly iron and nickel
(2) Mostly silicate rocks
(3) Mostly water
(4) Mostly carbon dioxide
Which of the following best explains why the inner core is solid despite high temperatures?
(1) It is made of rock
(2) The pressure is extremely high
(3) It is far from the mantle
(4) It is cooled by the outer core
Which of the following is NOT a layer of the Earth?
(1) Crust
(2) Mantle
(3) Atmosphere
(4) Outer Core
The boundary between the Earth's crust and mantle is called the ______.
The boundary between the mantle and the outer core is called the ______ discontinuity.
The Earth's core is mainly composed of ______ and nickel.
The Earth's crust is broken into large pieces called ______ plates.
True or False: The asthenosphere is part of the mantle.
True or False: The Earth's crust is the only layer that supports life.
True or False: The Earth's crust is thicker under the oceans than under the continents.
True or False: The Earth's inner core is hotter than the outer core.
