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20 questions
Which sphere contains all living things?
lithosphere
hydrosphere
biosphere
atmosphere
The Inner core is mostly made up of
Iron
Copper
Calcium
Hydrogen
The Mantle is
Molten Rock
Almost 3000km thick
Between 500 and 2000 degrees celsius
All of the above
Which is the thinnest layer of Earth?
crust
mantle
outer core
inner core
Which of the following describes all water on earth?
biosphere
hydrosphere
atmosphere
lithosphere
Which layer is directly below earth's crust?
outer core
inner core
mantle
The core of the earth is hotter than the surface of the sun
true
false
Volcanoes are formed when magma from the ________ bursts through the earth's crust
mantle, core
core, mantle
core, crust
mantle, crust
Molten rock below the earth's surface is called
magma
lava
crust
The inner core is made up of
molten rock
molten metal
solid metal
The lithosphere consists of all _________ on earth
water
plants
rocks
air
Which is the correct order of earth's layers?
crust, outer core, inner core, mantle
crust, mantle, outer core, inner core
crust, inner core, mantle, outer core
Around 85% of the total weight of earth's mass is made up by the
crust
mantle
outer core
inner core
Which metal makes up most of the inner core?
iron
gold
nickel
lead
Scientists have used earthquakes to find out what lies inside the Earth
true
false
Which layer consists of liquid metal?
crust
mantle
outer core
inner core
Why is the inner core solid metal?
not hot enough for metal to melt
pressure from other layers
there is no metal in the core
When magma breaks through the earth's crust, it is called
molten rock
lava
metal
crust
All rocks are formed in earth's
hydrosphere
lithosphere
biosphere
Sedimentary rocks are formed by layers of rock buried and compressed over time
true
false
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