Layers of Earth
Which of the layers of the Earth is the hottest? ___________
Which of the Earth's layers is the thinnest?
The Earth's core is made of two parts-
the inner and outer core.
The inner core is made mostly of ______
Which layer of the Earth is the coolest in temperature?
What is the average density of the Earth's inner core?
15 g/m 3
The Earth's tectonic plates are in constant motion due to several factors. Temperature and density differences in the plates cause push and pull forces that move the plates.
The Atlantic ocean is currently growing wider as its floor enlarges due to the process of sea-floor spreading. In sea-floor spreading, pieces of oceanic crust.
move apart along a divergent plate boundary
Which of the following parts of the Earth is a solid composed of nickel and iron?
which layer of the Earth contains most of the Earth's mass?
What area of the Earth's mantle is the densest?
the area nearest to the Earth's core
Which of the following list the Earth's layers in order from hottest to coldest in temperature?
inner core, outer core,mantle, crust
Which of the following is found in large quantities in the Earth's crust?
Why do lithosphere plates move constantly?
Which of the following is located at the center of the Earth?
Convection currents are responsible for what process?
Convection in the mantle can be best described as..............
a material heating up, becoming less dense, and rising to the surface.