Show:
Plate Boundaries
Forces & Orogenies
Disasters
Rock Cycle
Grab Bag!
100
A convergent boundary is...
When plates are being pushed together
100
Compression is...
When two things are being pushed together
100
Match earth's layers with what they're made of: Crust Mantle Core Liquid rock Solid rock Iron and nickel
Crust - solid rock Core - iron and nickel Mantle - liquid rock
100
Magma erupts from a volcano and begins to cool. It then becomes...
Igneous rock
100
Do the States of Matter dance.
!
200
A divergent boundary is when...
Plates are being pulled apart
200
Shear or strike-slip force is...
When two things are rubbing against each other
200
Earthquakes are created by...
Part of a plate breaks free and moves suddenly
200
Weathering breaks down rock into smaller pieces. It then becomes...
Sediment
200
Describe how Earth was created after the Big Bang.
Gravity pulled particles together
300
A transform boundary is when...
Plates are sliding past each other
300
Earth's four main layers are...
Inner core, outer core, mantle, crust
300
Tsunamis are created by...
Part of a plate breaks free and pushes a lot of water
300
Erosion carries sediment away and the sediment begins to form layers. They are buried under other sediment and become compacted together. They form...
Sedimentary rock
300
Why does Earth have seasons?
Tilt of axis
400
Tension is...
When two things are being pulled apart
400
Transform boundaries create...(earthquakes/volcanoes/tsunamis)
Earthquakes
400
What kinds of places are at the greatest danger for geologic disasters?
Places on or near plate boundaries
400
Rock gets buried deeper and deeper in the Earth's crust, where it is subjected to extreme heat and pressure. It then becomes...
Metamorphic rock
400
Describe the Pangaea theory.
All continents were once joined, proven by rock data, puzzle fit, fossil data
500
New crust is created at...
Divergent boundaries
500
Convergent boundaries create...(earthquakes/volcanoes/tsunamis)
All of the above
500
About how far do tectonic plates move every year?
Centimeters
500
Describe convection currents.
caused by heat, move in circles, drive tectonic plates
500
Describe the three methods of heat transfer.
!