moon phases
how far is 150,000,000 km
the first layer of the earth called
what is the crust
the cause of an earthquake
what is the movement of tectonic plates
a weak spot in the earth's crust where magma can erupt
what is a volcano
the time it takes for the moon to complete a full cycle
the distance earth is from the sun in AU
what is 1 AU
the third layer of the earth
what is the asthenosphere
the least damaging seismic wave
what are primary waves
a liquid rock at the surface of the Earth
what is lava
the name of the phase where the right half is illuminated
what is a first quarter moon
the distance from Neptune from the sun in AU
What is 30 AU
the 2 curst layers
what are the continental and oceanic crust
the most damaging seismic wave
what are surface waves
is erupting or could erupt soon
what is an active volcano
the name of the phase where more than half of the moon is illuminated
what is a gibbous moon
the distance from Saturn to the sun in AU
what is 9.53 AU
thickest layer of the earth
what is the mantle
the point below the surface where rocks first begin to move
what is the focus of an earthquake
the place where magma comes up to the opening of a volcano
what is the pipe of a volcano
name of the phase of the moon where most of the left side is illuminated
what is a waning gibbious
19.13 AU to km
how far is 2.87 billion km
thinnest layer of the earth
what is the oceanic crust
the most common scale used to measure the strength on an earthquake
what is the Richter scale
what is AA lava