Tectonic Plates
Name the two types of crust.
What is oceanic and continental crust?
Name the thinnest layer of Earth.
What is the crust?
Describe what magma is called once it reaches Earth's surface.
What is lava?
Define what an epicenter is.
What is the area on Earth's surface above the focus?
Describe what convection currents are and how they affect tectonic plates.
What is hot magma rises and cool magma sinks, making tectonic plates move?
Name the thickest layer of Earth.
What is the mantle?
Describe what causes a volcano eruption.
What is pressure builds forcing magma out of the magma chamber of a volcano?
Describe what the focus is.
What is an area underground where rock ruptures of breaks causing an earthquake?
Name the seven major tectonic plates we discussed.
What is:
1) South American Plate
2) North American Plate
3) African Plate
4) Nazca Plate
5) Indo-Australian Plate
6) Eurasian Plate
7) Pacific Plate
Name the two elements that make up the outer and inner core, and describe the difference in the state of matter between the outer core and inner core.
What is the outer core is made of liquid iron and nickel and the inner core is made of solid iron and nickel?
State whether the following is true of false: both divergent and convergent plate boundaries may cause volcanoes.
What is true?
Both divergent and convergent plate boundaries may cause volcanoes.
Describe where earthquakes are more likely to happen when we examine tectonic plates.
What is at the border of tectonic plate boundaries?
Name the three types of plate boundaries we discussed and describe the movement for each.
What is transform-fault where plates slide past each other, what is convergent where plates move towards each other, and what is divergent where plates move away from each other.
As we go from the the crust to the center of the Earth, the two things increasing are ---
What is temperature/heat and pressure?
Name the thing(s) that magma passes through to reach Earth's surface.
What is secondary and main vents?
Describe why shallow earthquakes may cause a lot of damage at their epicenters.
What is because they are close to the surface of the Earth?
Define subduction.
What is when to plates collide and the heavier plate sinks underneath the lighter plate?
Describe the difference between the lithosphere and the asthenosphere.
What is:
- the lithosphere is where tectonic plates are located and it is above the asthenosphere?
- the asthenosphere is where convection currents happen, which make tectonic plates move?
Name the geographical area where a lot of volcanoes and earthquakes are prone (most likely) to happen in.
What along the Pacific Plate (the Ring of Fire)?
Describe the natural disaster that typically happens after an earthquake.
What is a tsunami?