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WorksheetsEarth's Structure
Total questions: 10
Worksheet time: 6mins
What are earth's three main layers?
Core, mantle, and surface
Core, mantle, and crust
Inner core, outer core, and mantle
Upper mantle, lower mantle, and crust
What do earthquake waves have in common with other waves?
They travel at the same speed as light waves
They carry the same amount of energy as sound waves
They bend when they travel through different materials
They have the same wavelength as radio waves
Where is the earth's crust the thickest?
Which word BEST characterizes the lower mantle?
Very hot
Cool
Chilled
Slightly warm
How deep would you have to drill to reach the center of the earth?
About 60,000 kilometers
About 600,000 kilometers
About 600 kilometers
About 6,000 kilometers
What effect does the spinning of the earth's core have?
It creates gravity
It creates matter
It creates mass
It creates the earth's magnetic field
Which of the following statements about the Earth's inner core is TRUE?
It's mostly made of iron
It's mostly made of nickel
It's mostly made of cadmium
It's mostly made of magnesium
What is the only entirely liquid layer of the earth?
The upper mantle
The outer core
The inner core
The lower mantle
Which of the following statements is an OPINION about the mantle?
It makes up the bulk of the earth's mas
Heat churns through it
It contains iron, silicon, magnesium, and oxygen
It is the most important layer of the earth
If the earth's mantle were completely solid, __________ plates could not move around.
Tectonic
Technical
Titanic
Agnostic
