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 7
Describe how the Earth's layers were formed.
Describe the difference between continental crust and oceanic crust.
Describe the main difference between the outer core and the inner core of the Earth.
Explain how scientists study the structure of Earth's interior without being able to travel there.
Explain what happens to seismic waves as they travel through different layers of the Earth.
Explain why earthquakes and volcanoes are often found near the edges of tectonic plates.
Explain why the inner core remains solid even though it is extremely hot.
Name the two types of Earth's crust.
The Earth's crust is made up mostly of which type of rock?
(1) Igneous
(2) Sedimentary
(3) Metamorphic
(4) All of the above
What is the approximate temperature at the center of the Earth?
(1) 500°C
(2) 2000°C
(3) 6000°C
(4) 10,000°C
What is the approximate thickness of the Earth's crust?
(1) 5-70 km
(2) 100-200 km
(3) 500-1000 km
(4) 2000-3000 km
Which layer of the Earth generates Earth's magnetic field?
(1) Crust
(2) Mantle
(3) Outer Core
(4) Inner Core
Fill in the blank: The ______ is the hottest layer of the Earth.
Fill in the blank: The ______ is the thinnest layer of the Earth.
Fill in the blank: The boundary between the Earth's crust and mantle is called the ______.
Fill in the blank: The Earth's ______ core is liquid, while the ______ core is solid.
Is the following statement true or false? The Earth's inner core is liquid.
Is the following statement true or false? The Earth's mantle is hotter at the bottom than at the top.
Is the following statement true or false? The lithosphere is broken into large pieces called tectonic plates.
Is the following statement true or false? The mantle is hotter than the crust.
