Layers of Earth
Crust
What do earthquakes under water cause?
Tsunamis
Name the 3 kinds of volcanoes
Cinder cone, shield, strato/composite
These form when plates move
Mountains and valleys
Describe the oceanic crust
Under the ocean, made of a dark green or black rock called basalt
What happens to the temperature as you travel inside the Earth?
It becomes hotter.
Where do Earthquakes happen?
How do volcanoes begin?
Magma rises through cracks in the earth
Describe a converging plate boundary (what happens and what is formed?)
2 plates collide and form mountains
Name 2 ways scientists study the Earth's layers
Answers can vary.
Solid part of the center of the Earth
Inner core
How do injuries occur during earthquakes?
Buildings being damaged/debris falling
Why do volcanoes occur?
Pressure builds up in the mantle
Describe a sliding plate boundary
Plates move past each other
Name a state that has volcanos (we mentioned 5 in class)
Hawaii, Alaska, California, Oregon, Washington
Makes up most of Earth's material, top is solid hard rock, bottom is hot liquid rock
Mantle
How are earthquakes destructive?
Affect buildings and land features, can cause landslides
How can volcanoes be constructive (good for the earth)?
Create new landforms
Name the 3 plate boundaries
Converging, spreading, sliding
Makes up the land of all continents, thickest at mountain areas
Liquid part of the center of the Earth
Outer core
True or false: Mrs. Robinson and Mrs. Ours have felt an earthquake.
True
What is a volcano's shape based off of?
What materials they erupt
Describe a spreading plate boundary
Plates move apart
Name 2 ways scientists study the Earth's layers
Answers can vary