35.
What is the term for all sediments of glacial origin? (1 point)
* till
* stratified drift
* glacial drift
* loess
36.
Why do earthquakes often cause damaging fires? (1 point)
* Lightning strikes are common during earthquakes.
* Earthquake vibrations can break gas lines, water lines, and electrical lines.
* Tsunamis from earthquakes generate enough heat to start fires.
* Magma from deep underground escapes through faults.
37.
An earthquake’s magnitude is a measure of the ____. (1 point)
* size of seismic waves it produces
* amount of shaking it produces
* number of surface waves it produces
* damage it causes
38.
What instrument records earthquake waves? (1 point)
* seismogram
* seismograph
* Richter scale
* barometer
40.
Tsunamis are ____. (1 point)
* often generated by movements of the ocean floor
* waves that are produced by tidal forces
* waves that cannot cause damage on land
* also known as tidal waves
41.
What hypothesis states that the continents were once joined to form a single supercontinent? (1 point)
* plate tectonics
* seafloor spreading
* continental drift
* paleomagnetism
42.
According to the theory of plate tectonics, ____. (1 point)
* the asthenosphere is divided into plates
* the lithosphere is divided into plates
* the asthenosphere moves over the lithosphere
* the asthenosphere is strong and rigid
43.
A tectonic plate consists of ____. (1 point)
* the crust and uppermost mantle
* the oceanic and continental crust only
* the crust and entire mantle
* the asthenosphere only
45.
Most of the active volcanoes on Earth are located in a belt known as the ____. (1 point)
* circum-Atlantic belt
* Ring of Fire
* Ring of Lava
* East African Rift Valley
What is the term for all sediments of glacial origin? (1 point)
* till
* stratified drift
* glacial drift
* loess
36.
Why do earthquakes often cause damaging fires? (1 point)
* Lightning strikes are common during earthquakes.
* Earthquake vibrations can break gas lines, water lines, and electrical lines.
* Tsunamis from earthquakes generate enough heat to start fires.
* Magma from deep underground escapes through faults.
37.
An earthquake’s magnitude is a measure of the ____. (1 point)
* size of seismic waves it produces
* amount of shaking it produces
* number of surface waves it produces
* damage it causes
38.
What instrument records earthquake waves? (1 point)
* seismogram
* seismograph
* Richter scale
* barometer
40.
Tsunamis are ____. (1 point)
* often generated by movements of the ocean floor
* waves that are produced by tidal forces
* waves that cannot cause damage on land
* also known as tidal waves
41.
What hypothesis states that the continents were once joined to form a single supercontinent? (1 point)
* plate tectonics
* seafloor spreading
* continental drift
* paleomagnetism
42.
According to the theory of plate tectonics, ____. (1 point)
* the asthenosphere is divided into plates
* the lithosphere is divided into plates
* the asthenosphere moves over the lithosphere
* the asthenosphere is strong and rigid
43.
A tectonic plate consists of ____. (1 point)
* the crust and uppermost mantle
* the oceanic and continental crust only
* the crust and entire mantle
* the asthenosphere only
45.
Most of the active volcanoes on Earth are located in a belt known as the ____. (1 point)
* circum-Atlantic belt
* Ring of Fire
* Ring of Lava
* East African Rift Valley