Show:
Earth
Earthquakes
Layers of the Earth
Volcanoes
Miscellanous
100
This is the inner core and it is made mostly of iron and nickel.
What is the hottest layer of the earth?
100
When 2 plates move, stick, and release which causes a jolt of the earth's crust.
What is the cause of an earthquake?
100
A dense ball inside the earth that is made mostly of two metals, iron and nickel.
What is the core?
100
After a volcanic eruption these would cause a person not to breathe.
What is ash and gas?
100
A vent, crater, magma chamber, and conduit are these.
What are the parts of a volcano?
200
Plates move __________ , about the same length your fingernails grow per year.
What is a few centimeters a year?
200
A break in the crust along which rocks move.
What is a fault?
200
The thickest layer of the planet that is made of solid rock and some is melted.
What is the mantle?
200
When the mountain falls into the empty magma chamber this is formed.
What is how is craters formed?
200
A seismologist uses a Mercalli and Richter scale and a seismograph to _______________ earthquakes.
What is to measure ?
300
This is the point on the surface that is right above the focus of an earthquake.
What is an epicenter?
300
The vibration, or shaking of Earth's crust.
What is an earthquake?
300
These are continent size slabs that move slowly across Earth's surface on a thin layer of partly melted mantle.
What is plates?
300
This is melted rock that is inside the Earth.
What is magma?
300
When plates move toward, away, and over a hot spot in the mantle.
What is how volcanoes are formed?
400
They move past each other, toward each other, and away from each other.
What is the three directions that plates move?
400
A __________ ____________ measures the energy released by an earthquake using numbers 1 thru 9.
What is a Richter scale?
400
The layer on earth that we can walk on. It includes the rock of the ocean floor and the large areas called the continents.
What is the crust?
400
This is the melted rock that reaches the earth's surface.
What is lava?
400
This is the point underground where the movement first takes place
What is the focus?
500
When two plates move toward each other they make two things.
What are mountains and volcanoes?
500
California has so many earthquakes because of this.
What is the San Andres fault?
500
When plates move away from each other ___________ are formed.
What is new ocean floor?
500
Soil is full of minerals and plants grow because_______.
What is volcanoes are helpful?
500
These are made of runny lava, hardened lava chunks, and both lava and cinders. (3 answers)
What are Shield, Composite, and cinder-cone volcanoes?