Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
Primary Waves
|
The fastest waves that arrive first at the epicenter during an earthquake
|
|
|
Secondary Waves
|
The second seismic waves to arrive at any particular location after an earthquake.
|
|
|
Surface Waves
|
Seismic waves that move along Earth’s surface, not through its interior.
|
|
|
Cinder Cone Volcano
|
A volcano that is a steep, cone-shaped hill. It is built of pieces of magma that harden in the air and fall to form a small, steep-sided volcano.
|
|
|
Composite Volcano
|
A volcano that is a cone-shaped volcano built of high-silica magma. The tall cone consists of layers of lava and layers of rock fragments.
|
|
|
Shield Volcano
|
A volcano built from many eruptions of lava that is low in silica and flows easily. It is a broad flat dome.
|
|
|
Lava
|
Molten rock, or magma that reaches the Earth’s surface through a volcano.
|
|
|
Pyroclastic Flow
|
When volcanic gases mix with rock fragments and form a dense cloud of superhot gases and rock fragments that races downhill.
|
|
|
Hot Spot
|
An area where hot material rises from the mantle and heats the lithosphere, often causing volcanic activity at the surface.
|
|
|
Magma
|
molten rock beneath Earth's surface |
