The Moving Crust Flashcards
The large sections that make up the Earth’s Crust and the upper mantle are called _____________
Plates
When plates slowly ram into each other, they can form bended rock layers, called ___________
Folds
A long, narrow crack in the Earth’s crust is called a __________
Fault
Tall landforms caused by folding or faulting are called _________
Mountains
If the rock in Earth’s crust suddenly shakes, a ________ occurs
Earthquake
Underwater earthquakes can cause huge ocean waves called____________
Tsunamis
The source of an earthquake creates ______ that travel outward
Seismic waves
A tool that graphs seismic waves as wavy lines is called a ____________
Seismograph
Seismic waves travel at different __________ along Earth’s ______
and ________ Earth’s interior
Speeds
Surface
Through
A mountain that forms around an opening in Earth’s crust is a___________
Volcano
Most volcanoes form near _______ and edges
Plate
A volcano produces melted rock, called ________, which erupts into the air as _____
Magma
Lave
Some volcanoes form over thin places in Earth’s crust, called __________
Hotspots
In the Pacific Ocean, an example of volcanoes that formed over a hot spot is the ________ Islands
Hawaiian
A long narrow ca can in the Earth’s crust is called a _______
Fault
