Sudden or Over Time
A landslide...
Sudden
What is the name of Earth's layer that is the outer most part of Earth?
Crust
In your own words, explain what an earthquake is.
listen for student response
What is a large section of Earth's crust and outer mantle that slowly moves?
a plate
A volcano...
Suddenly
What layer of Earth's surface do we live on?
the crust
What are two things that can cause an earthquake?
What is a crack in the crust where slabs of rock can sometimes slip past each other.
A Fault
Over Time
What are the 3 main layers of the Earth?
Crust, Mantle, Core
What do you use to measure an earthquake?
a seismograph
What is the shaking of the ground caused by the movement of Earth's crust, or by a volcano.
An earthquake...
Sudden
Which of Earth's layers do earthquakes and volcanoes happen?
Crust
Name 2 things that can happen when strong earthquakes occurs.
listen for student response
damage buildings, bridges, roads, and other structures. Road buckle, railroads twist, bridges collapse, etc.
What is a mountain or hill on Earth's crust through which, lava, gas or ashes erupt?
a Volcano
Tsunami
Suddenly
What are the 3 ways a fault can move?
1.) Slip Past
2.) Move Away
3.) Push Against
On the seismograph, a 6.0 or higher magnitude is considered a ______________, _______________, _________________ earthquake
strong, major, great
What is melted rock that can flow through a volcano on to the Earth's surface ________________________? and what is melted rock beneath the Earth's surface___________________?
Lava
Magma