Show:
Fossils
Boundaries
Ahh Earthquakes!
Quake Safety
Volcanoes
100
Geologic time is divided into these
What is four eons #14
100
This is located at the center of a mid-ocean ridge
What is rift valley #30
100
A modern seismograph consists of these
What is three sensing devices #36
100
During a major earthquake, this may happen to buildings
What is may sway or collapse #40
100
this magma is rich in magnesium and iron
What is mafic #55
200
The gradual development of new organisms from preexisting organisms
What is evolution #16
200
The Pacific Ring of Fire is an example of this
What is a zone of active volcanoes #22
200
Frequent earthquakes in an area may indicate this
What is tectonic plate boundaries #28
200
If you are indoors during an earthquake, you should do this
What is stay away from windows #39
200
Volcanic ash, dust, blocks, bombs, and lapilli are all examples of this
What is pyroclastic material #61
300
Tree sap that fossilizes insects
What is amber #11
300
According to Wegener, this started to happened about 250 million years ago
What is the supercontinent began breaking into smaller continents #25
300
The point on Earth’s surface directly above the earthquake’s focus
What is the epicenter #45
300
If you are in a car during an earthquake, you should do this
What is stop the car in a safe place #38
300
Composite volcanoes are also known as these
What is stratovolcanoes #58
400
A fault or body of rock is younger than any other body of rock it cuts through according to this law
What is crosscutting relationships #7
400
San Andreas Fault in California is an example of this boundary
What is a transform boundary #24
400
To find the distance to an earthquake’s epicenter, scientists do this
What is analyze the arrival times of the P waves and S waves #37
400
DAILY DOUBLE!!!
As experienced in December of 2004 what caused a huge wave that killed thousands? What was the wave called?
400
Three things that signal a volcanic eruption
What is changes in earthquake activity, bulging of volcano surface, changes in the amount and composition of volcanic gases #54
500
All ways that organisms can be fossilized
What is amber, petrification, mummification, freezing #12
500
The sea between the Arabian Peninsula and Africa is an example of this boundary
What is divergent boundary #31
500
Records ground vibrations
What is a seismograph #81
500
As we saw in Haiti this can affect how a building responds to seismic waves
What is the type of ground beneath the building #46
500
These are four primary settings for volcanoes
What is near convergent and divergent tectonic plates, subduction zones, and mid-ocean ridges #53