Volcanoes
Hot liquid under the Earth's surface is known as what?
What is magma?
A scientist who studies what Earth is made of and how it changes over time
What is a geologist?
.Main cause of a landslide
What is saturated ground that is pulled by gravity downward?
Small pieces of rock or other hard material that has broken down over time.
What is sediment?
A tsunami is a series of waves caused by 4 things. Name at least 1 of the 4 things. (100 points added for each correct answer)
What is
an underwater earthquake
landslide
volcanic eruption
giant meteor impact
As the _____ waves move through the earth, the ground can move in different ways.
What is seismic?
What is the classification of a volcano that has consistent activity?
What is active?
The remains of an organism preserved in rock form.
What is a fossil?
Downhill movement of a mass of earth surface material.
What is mass movement?
Define erosion
What is movement of sediment from one location to another.
80% of tsunamis happen in what area of the Pacific Ocean?
What is the ring of fire?
Most earthquakes are triggered by the movement of what?
What is the horseshoe shaped area of the Pacific Ocean where it holds 90% of all volcanoes on Earth called?
what is the ring of fire?
In geology, a large fragment of Earth’s crust and upper mantle
What is a plate?
Causes of landslides are:
What is: earthquakes, volcanoes, extreme weather (water), fire
A word people often use to refer to the slow process of erosion.
What is creep?
What can communities do to better prepare for tsunamis? Name one.
What are: seawalls, warning systems, leave natural barriers (mangroves, coastal wetlands), Tsunameters
Geologists measure earthquake strength on a scale of _________?
What is magnitude?
What was the name of the mountain that erupted in Washington State in 1980?
What is Mt. St. Helens?
Means liquified. It is usually used to describe liquified substances that are normally solid, such as metals and glass.
What is molten?
How people can predict landslides (name one way)
What is: visible evidence of erosion, such as new boulders at the base of a slope, can be a warning sign. Tilting trees or other objects, including poles, can indicate that a slope is about to give way.
A hole in Earth’s surface that develops when the ground collapses into space beneath it
What is a sinkhole?
Tsunami is Japanese. what does it translate to in English?
What is "harbor wave"
(tsu= harbor nami=wave)
When an earthquake occurs, you should take shelter....
What is under a table or desk?
Mauna Loa, has erupted thirty three times since 1843, which state is this volcano located in?
What is Hawaii?
Geologists study rocks to understand Earth’s history. Geologists categorize types of rocks based on patterns.
Name the three types of rocks we studied.
What is sedimentary rock, igneous rock, and metamorphic rock.
One way that some communities have tried to solve the problem of mudslides and landslides is...
What is to plant more vegetation?
The process of breaking rock into smaller pieces.
What is weathering?
The 2011 tsunami that devastated this country.
What is Japan?
As the seismic waves move through the earth, the ground can move in different ways. Name one way.
• expand and contract in the same direction as the wave.
• move up and down.
• move back and forth across the direction of the wave.
• move in a circular motion.