1
How many layers are in the Earth?
6
Is the Core solid or liquid?
Solid
Why are S-waves slower than P-waves?
What is, they move from side to side.
crust
the outermost surface of Earth.
Convection Currents
The movement of heat in a liquid or gas that that creates a circular motion. Heat will rise and when it cools it descends.
What might happen to a glacier that would cause the crust to float higher in the mantle?
It would melt
There are certain thicknesses of the Earth Crust. What is the thickest, the Ocean, or Continental?
Continental
What is the largest part of earth's interior?
Lower Mantle
core
the center of Earth; it is divided into the inner core and the outer core.
seismologist
a scientist who detects and interprets seismic waves.
What material is the inner core made of?
made mostly of iron
There are certain thicknesses of the Earth crust. Which one is more dense, the Ocean, or Continental?
Oceanic
What is the aesthenosphere and why is it important?
It is the outermost part of the lower mantle. The tectonic plates slide on it.
disturbance
a movement that begins in one location and sets things in motion farther away.
mantle
the warm, flowing, solid layer of Earth between the crust and the core
What are the steps if the Scientific method
Observe, Question, Hypothesis, experiment, collect data, concluision.
Where would you find Aluminum and Silicon in the Earth?
The Crust
Make an Inference
What is ......
P-waves
seismic waves that move with a forward-andbackward motion; these waves are faster than S-waves.
S-waves
seismic waves that move with a side-to-side motion and are slower than P-waves.
Why is the Outer Core important
It creates earths magnetic field
What is the Radius of the earth?
6400
What is the radius of the earth?
what is 6400 Km
lithosphere
a layer of Earth that includes the crust and upper mantle.
seismic waves
vibrations that travel through Earth and are caused by events like earthquakes or human-made blasts.