What can be formed when tectonic plates collide or move into each other?
Mountains, volcanoes, earthquakes
Which part of the earth is the most dense?
inner core
What are tectonic plates?
pieces of land that connect together on the Earth's outer shell, like an eggshell
Which plate is located at #1?
Pacific Plate
What type of plate boundary is this?
divergent
What type of plate boundary is this?
transform
What is a fault?
cracks in the earth's crust where there is movement
What are the 2 types of the Earth's crust?
ocean and continental
What is Pangea?
a theory that all of the continents were attached a long time ago
Which plate is located at #2?
North American
What is seafloor spreading?
tectonic plates split apart from each other
What happens in the Ring of Fire?
It is where many earthquakes happen and where volcanoes form
What is the layer of earth right below the crust?
mantle or athensosphere
Why do plate tectonics move?
Their movement is caused by heat within the Earth.
What type of plate boundary is this?
convergent
What is the lithosphere?
Layer of the earth made of the crust and upper mantle
What type of plate boundary is this?
subvergent
Which part of the earth is the least dense?
crust
What can be formed when tectonic plates separate or move away from each other?
a rift valley