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Match it! Select the correct answer from the pull down...Good luck!
What is a mesa?
earthquakes and volcanoes
A medium hill with a flat top and steep sides
so scientists can warn people to evacuate the area
volcanoes
bottom of canyon
The ground may collapse
Erosion could make it possible for it to collapse
Ice freezes in the rock at night, cracking them
It has taken millions of years for the Grand Canyon to build up and break down. Where would the oldest rocks of the canyon most likely be?
earthquakes and volcanoes
A medium hill with a flat top and steep sides
so scientists can warn people to evacuate the area
volcanoes
bottom of canyon
The ground may collapse
Erosion could make it possible for it to collapse
Ice freezes in the rock at night, cracking them
Why would it be helpful to the general public for scientists to predict earthquakes?
earthquakes and volcanoes
A medium hill with a flat top and steep sides
so scientists can warn people to evacuate the area
volcanoes
bottom of canyon
The ground may collapse
Erosion could make it possible for it to collapse
Ice freezes in the rock at night, cracking them
A seismograph is a device used to measure wave movement through Earth's curst. What can it help predict?
earthquakes and volcanoes
A medium hill with a flat top and steep sides
so scientists can warn people to evacuate the area
volcanoes
bottom of canyon
The ground may collapse
Erosion could make it possible for it to collapse
Ice freezes in the rock at night, cracking them
Landscape Arch in Arches National Park had to be closed to visitors hiking near the base. How could an arch become dangerous?
earthquakes and volcanoes
A medium hill with a flat top and steep sides
so scientists can warn people to evacuate the area
volcanoes
bottom of canyon
The ground may collapse
Erosion could make it possible for it to collapse
Ice freezes in the rock at night, cracking them
Which best completes this chart? 1. Uplift 2. Earthquakes 3.
earthquakes and volcanoes
A medium hill with a flat top and steep sides
so scientists can warn people to evacuate the area
volcanoes
bottom of canyon
The ground may collapse
Erosion could make it possible for it to collapse
Ice freezes in the rock at night, cracking them
Underground salt deposits can be dissoved by ground water and carried away. What may happen next?
earthquakes and volcanoes
A medium hill with a flat top and steep sides
so scientists can warn people to evacuate the area
volcanoes
bottom of canyon
The ground may collapse
Erosion could make it possible for it to collapse
Ice freezes in the rock at night, cracking them
In the spring, rocks often fall onto mountan roads. Why?
earthquakes and volcanoes
A medium hill with a flat top and steep sides
so scientists can warn people to evacuate the area
volcanoes
bottom of canyon
The ground may collapse
Erosion could make it possible for it to collapse
Ice freezes in the rock at night, cracking them
Check it!