Geological events in Utah
Why is geological time measured in millions of years?
due to the time span and how long the changes take
When rock particles are deposited somewhere else it is called?
deposition
The "Ring of Fire" if a an area found around the Pacific Ocean that has major volcanic and earthquake activity. True or False
True
Mountains and valleys are possibly created by one of what three actions?
volcanoes, earthquakes, and/or uplift
A divergent boundary is?
What scale is used to measure earthquakes?
Richter scale
Erosion can change the shape or course of what type of water?
rivers
Many mountains and valleys in Utah were created from flooding. True or False
False - earthquakes
What are two forces that can make a butte?
How long does it take a glacier to carve a valley?
thousands of years
What canyon was formed over 5,000 years ago?
The Grand Canyon
What are the three major agents of erosion?
wind, water, and ice
What event required arches in Arches National Park to become dangerous?
erosion, may cause it to collapse
uplift and erosion
What device is used to measure wave movement through Earth's crust that can help predict earthquakes and volcanoes?
Seismograph
What are some of the features left behind by Lake Bonneville?
terraces cut into the side of valleys
What type of erosion is the strongest and can move the most rocks?
water
What is a transform boundary?
when two plates slip past each other moving in opposite directions
What can rocks that have been forced out of a volcano create?
mountains
What is one of the causes of rock slides along mountain roads in the winter?
Ice freezing in cracks expanded and can break small chunks of rock to fall
What clues do geologists have that sand dunes existed millions of years ago?
sand dunes form specific types of rocks
True or False - Weathering is the fastest process that changes earth's surface.
False - the slowest
A convergent boundary is?
place where two plates from mountains and volcanoes
A volcano is made up of what?
molten rock, gases, and ash
When hot lava is cooled it forms what type of rock?
Igneous