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17 questions
What are Earth's layers?
skin
crust
mantle
core
pit
Inside Earth, _____________________ increases as depth increases. (Select the answers that could fill in the blank.)
pressure
movement
oxygen
temperature
geology
The thickness of the crust is ____________ .
5 - 80 km
almost 3,000 km
almost 3,480 km
The thickness of the mantle is ____________ .
5 - 80 km
almost 3,000 km
almost 3,480 km
The thickness of the core is ____________ .
5 - 80 km
almost 3,000 km
almost 3,480 km
A limited number of elements comprise the largest portion of Earth's crust. Pick the top 3.
oxygen
nickle
aluminum
magnesium
silicon
A limited number of elements comprise the largest portion of Earth's mantle. Pick the top 4.
oxygen
nickle
iron
magnesium
silicon
A limited number of elements comprise the largest portion of Earth's core. Pick the top 2.
oxygen
nickle
iron
magnesium
silicon
Movement in the outer core creates Earth's ______________.
tropical islands
atmosphere
ocean waves
magnetic field
Three factors combine to set convection currents in motion, what are they?
heat
magnetism
density
gravity
rock samples from volcanoes
Choose the description that would match "A".
Temperature: hotter
Density: less dense
The rock: rises
Temperature: colder
Density: less dense
The rock: rises
Temperature: hotter
Density: more dense
The rock: sinks
Temperature: colder
Density: more dense
The rock: sinks
Choose the description that would match "B".
Temperature: hotter
Density: less dense
The rock: rises
Temperature: colder
Density: less dense
The rock: rises
Temperature: hotter
Density: more dense
The rock: sinks
Temperature: colder
Density: more dense
The rock: sinks
Two main types of evidence that help scientists study Earth's interior are ________________ and _________________.
rock samples and ocean waves.
rock samples and seismic waves.
earthquakes and seismic waves.
earthquakes and ocean waves.
crust
mantle
outer core
inner core
crust
mantle
outer core
inner core
crust
mantle
outer core
inner core
crust
mantle
outer core
inner core