Show:
Layers of the Earth and Heat Transfer
Boundaries, Stresses and Faults
Boundaries Stresses and Faults, and Earthquakes
Earthquakes and Seismic Waves
Plate Tectonics/ Seafloor Spreading
100
Name the three main layers of the Earth
The crust, the mantle, and the core
100
Faults are usually found here
Tectonic Plate Boundaries
100
________ is an instrument used to measure and record siesmic waves
A siesmograph
100
An _________ is the result from movement of rock beneath Earth's surface
Earthquake
100
New crust is added here
A Mid-Ocean Ridge
200
Name the three parts of the Mantle
The lithosphere, the asthenosphere, and the lower mantle
200
_____ boundaries are mimic the force of tension which causes _______ faults
Divergent- Normal
200
_______ boundaries mimic the stress compression, which casuses_______ faults
Convergent, reverse
200
______ waves carry energy away from an earthquake
Seismic Waves
200
_______ hypothesized that contintents mved over time
Alfred Wegener
300
The transfer of energy through space
Radiation
300
____________ causes stress which in turn causes _________
Boundaries------ Faults
300
______ boundaries mimic the stress shearing, which causes ________ faults
Transform, strike-slip
300
Three common ways to measure earthquakes
The Mercalli Scale, The Richter Scale, and the Moment Magnitude Scale
300
This theory proved contentinental drift by showing how the continents move
Sea-floor spreading
400
_______ go through the crust, while _______ go through the crust and lithosphere
1- Faults 2- Boundaries
400
What is a fault block mountain?
Two parallel normal faults that form a mountain range in the middle
400
4 ways Earthquakes cause damage
Shaking, Liquefaction, Aftershocks, Tsunamis
400
This scale can have many different ratings for one earthquake
The Mercalli Scale
400
2 pieces of evidence for continental drift
Evidence from Land Features, Evidence from Fossils, and Evidence from Climate
500
Convection Currents are caused by these three things
1- Heating and cooling of the mantle 2- Changes in density 3- The force of gravity
500
Compression and folding in the crust cause ________ which arch upwards, and __________ which dip downwards
anticlines, synclines
500
What is a scientific theory?
A well-tested concept that explains a wide range of observations.
500
The ________ is the place under Earth's surface where an Earthquake starts
The focus
500
3 pieces of evidence for seafloor spreading
Evidence from molten material, magnetic stripes, and drilling samples