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WorksheetsEarth Structures Systems
Total questions: 20
Worksheet time: 10mins
What are the Earth's three main layers?
core, mantle, surface
core, mantle, crust
inner core, outer core, mantle
upper mantle, lower mantle, crust
What do earthquakes 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 Earth the thickest?
water
land
at the poles
at the equator
What word best characterizes the lower mantle?
scalding
cool
molten
lukewarm
How deep would you have to drill to reach the center of the Earth?
about 60,000 kilometers
about 600,00 kilometers
about 600 kilometers
about 6000 kilometers
What effect does 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?
Its made mostly of iron
Its made mostly of nickel
Its made mostly of cadmium
Its made mostly 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 of the mantle?
It makes up a bulk of the Earth's mass
Heat churns through it
It contains iron, silicon, magnesium and oxygen
Its the most important layer
If the Earth's mantle were completely solid, ______________
plates could not move around.
tectonic
technical
Titanic
terrible
The inner core is solid
nickel
gold
magnesium
iron
We think we know what the Earth is made up of because of what?
mudslides
volcanoes
earthquakes
tornadoes
What layer do we live on?
mantle
core
crust
inner core
The inner core is hotter than the sun?
true
false
Another word for continental is
land
ocean
mantle
tree
Another word for oceanic is
mountain
crust
land
water
Which is thicker, oceanic crust or continental crust?
oceanic
continental
The sun is a star?
true
false
Another name for the crust and upper mantle is...
crust
mantle
lithosphere
core
The Earth is the largest planet in the Solar System?
True
false
