Show:
Plate Tectonics
Mountains
Volcanoes
Rocks
Geologic Time
100
seismic wave that causes the most damage
What is a surface wave?
100
Formed by the magma that pushes up from below and hardens underground only to be revealed after thousands of years of weathering and erosion
What is a dome mountain?
100
The boundary where the most violent eruptions occur due to the less dense plate being pushed up and over by a denser plate
What is a subduction zone?
100

Rocks created by heat and pressure

What are metamorphic rocks?
100
These are used by geologists to help determine the age of a rock layer
What are index fossils?
200
Broken pieces of the lithosphere and upper mantle that float on the asthenosphere
What is a tectonic plate?
200

Happens when compression or tension causes the crust to break rather than fold and one section pushes up or sinks down

What are fault-block mountain?
200

Geographically speaking this is where most earthquakes and volcanoes occur

What is the Ring of Fire (around the edge of the Pacific Ocean)?
200
These three small types of sediment are most likely to be found at the mouth of a river
What are sand, silt, and clay?
200
Geologic time starts here and extends until today
What is Earth's origin?
300
Two plates moving towards each other and colliding
What is a convergent boundary?
300
Landform created by repeated layering of lava and tephra
What is a volcanic mountain?
300
A rock with large crystals
What is an intrusive igneous rock?
300
A mixture of weathered rock and humus
What is soil?
300

The longest span of time that we know the least about

What is Precambrian?

400

Type of boundary where most earthquakes occur

What is a transform boundary?

400
A landform caused by uplift of a relatively flat area next to a mountain created by folding
What is a plateau?
400
Magma that has reached the surface and creates extrusive igneous rocks
What is lava?
400
Limestone, Sandstone, and Shale
What are sedimentary rocks?
400
Where the oldest layer is found
What is the bottom?
500

Caused by convection currents where hot material rises and cold material sinks

What causes plate movement?

500

The folding of the Indian Plate as it collides with the Eurasian Plate causes these highest mountains

What are the Himalayas?
500

These are responsible for the volcanic activity that created the Hawaiian Islands

What are hot spots?
500

A rock that has coral fossils and fizzes when acid is applied probably formed here

What is an ocean?

500
The era when humans first appeared
What is Cenozoic?