The point along a fault where an earthquake takes place. This is the place where two plates get stuck on a rock. As a result, energy builds enough to cause the plates to slip and an earthquake begins.
What is a focus?
100
Melted rock beneath the surface of the Earth.
What is magma?
100
Lava only causes devastion.
What is false. Over time lava can be good for crops and create new land.
100
This layer is made of rock and is the smallest layer of our Earth.
What is the crust?
100
The instuments used to measure the strength of earthquakes.
What is a seismograph?
200
A break, or crack, along a rock where earthquakes occur.
What is a fault?
200
Melted rock above the surface of the Earth.
What is lava?
200
The largest island in Hawaii was created by an underwater earthquake.
What is false? The island was created by an underwater volcano.
200
The layer of the Earth that is the largest section. This layer is made of solid rock and melted rock.
What is the mantle?
200
The scale we use to label the strength of an earthquake. Haiti's earthquake was measured a 7.0.
What is Ricter Scale?
300
The point directly above the focus on the surface of the land.
What is epicenter?
300
Melted rock that churns and boils in an underground pool, or chamber, below a volcano.
What is magma chamber?
300
The long tube that leads from the magma chamber to the top of the volcano is the vent.
What is true?
300
The layer that is made of melted metal, iron and nickel.
What is outer core?
300
The 2 metals that make up the Earth's core.
What is iron and nickel?
400
The country where a recent 7.0 earthquake caused catastrophic damage.
What is Haiti?
400
It is the smallest type of volcano, not taller than 1,000 feet. This volcano usually has a crater on it's summit.
What is a cinder cone volcano?
400
Some of the largest volcanoes on Earth are cinder cone volcanotes.
What is False? The largest volcanoes are shield volcanoes.
400
This layer is a solid ball of iron and nickel.
What is the inner layer?
400
The edge of a large plate located in the depths of the Atlantic Ocean that have created unerwater mountains.
What is the Mid-Atlantic Ridge?
500
The famous fault line in California that is responsible for causing several earthquakes.
What is San Andreas Fault?
500
The type of volcano that has steep slanting sides. The tallest mountains on our Earth are examples, including Mount Fuji in Japan and Mount St. Helen in Washington state.
What is a composite volcano?
500
Crater Lake is the name of the lake that sits at the top of a composite volcano in Oregon.
What is true?
500
The two layers that form plates which cause movement on the Earth.