Earth's Spheres
Name 2 of Earth's spheres
Hydrosphere, biosphere, atmosphere, geo/lithosphere
In which era did Earth look like a ball of molten lava?
Hadean
Name earth's layers.
What do the P and S of P-waves and S-waves stand for?
Primary and secondary
Who pieced together evidence to form the theory of seafloor spreading?
Harry Hess
What is the exosphere?
Everything outside of Earth
What is the name of the ogranism that first used photosynthesis?
Cyanobacteria
What is the name of the process that separated Earth's layers by density?
Differentiation
What kind of waves only travel through solids?
S-waves
What kind of plate boundary caused the Himalayas to form?
Include crust type (oceanic or continental) and plate movement (convergence, divergence, subduction, or transform) in your answer.
Continental-continental convergence
What is the Káramán line?
The boundary between Earth's atmosphere and exosphere
Which period is best known for the explosion of life on Earth?
Cambrian
What two metals make up earth's core
Iron and nickel
What are the two types of surface waves during an earthquake?
Rayleigh and Love
What kind of plate boundary formed the Mid-Atlantic Ridge?
Include crust type (oceanic or continental) and plate movement (convergence, divergence, subduction, or transform) in your answer.
Oceanic-oceanic divergence
The water cycle is an example of which two spheres supporting each other’s development?
Hydrosphere and atmosphere
The first signs of life started out as what?
Amino acids and proteins
What causes plate tectonics and continental drift?
Which scale uses a seismometer to measure the magnitude of the largest jolt of energy released by an earthquake?
Richter Magnitude Scale
What kind of plate boundary caused the Great Rift Valley in Africa?
Include crust type (oceanic or continental) and plate movement (convergence, divergence, subduction, or transform) in your answer.
Continental-continental divergence
What 2 spheres work together in a feedback loop created large land masses?
Geosphere and hydrosphere
What era are we living in today?
Cenozoic
How do we know there is a liquid outer core and solid inner core?
Seismic waves
Which scale describes earthquakes in terms of what nearby residents felt and the damage that was done to nearby structures?
Mercalli Intensity Scale
The Ring of Fire is a string of volcanoes and sites of earthquakes around the edges of the Pacific Ocean. What kind of plate boundary causes this?
Include crust type (oceanic or continental) and plate movement (convergence, divergence, subduction, or transform) in your answer.
Oceanic-continental subduction