Layers
Boundary
Rock Cycle
Vocab
Earth
100
Name the 4 layers of earth.
inner core outer core mantle crust
100
Which boundary is formed when plates slide or grind past each other?
Sliding boundary
100
Name the three types of rocks.
Sedimentary rocks metamorphic rocks igneous rocks
100
How are metamorphic rocks formed?
From heat and pressure
100
Who studies earth's volcanoes and earthquakes?
geologist
200
Which layer of earth is between the mantle and inner core?
outer core
200
Which boundary is caused when two plates come or collide together?
Convergent boundary
200
Which type of rock is made from bits and pieces of rocks or sediments cemented together?
Sedimentary rock
200
What is the process of wearing down rocks over a period of time.
weathering
200
What is the remains of plants and animals that are found in sedimentary rocks?
fossils
300
Which layer of Earth is the thinnest?
crust
300
Which boundary is formed when two plates seperate and what do they form?
Divergent boundary volcano
300
Which type of rock is formed from heat and pressure?
Metamorphic rock
300
What do geologist use to measure earthquakes?
seismographs
300
Which type of boundary caused the San-Andares fault?
sliding boundary
400
Which layer of Earth is the hottest? About how hot?
The inner core is the hottest. About 4,300 degrees celius
400
What is the huge supercontinent called?
Panagea
400
Which type of rock is formed when magma from a volcanoe cools and hardens?
igneous rock
400
Which boundary caused the Rocky Mountains?
Convergent boundary
400
a crack in the earth's crust is called__________
fault
500
Which layer of Earth is made from solid iron and nickel?
inner core
500
The theory of _______________ is made of plates that move slowly and cause changes to earth's crust over time.
theory of plate tectonics
500
Name the rock that is used in kitchen/bathroom counter tops.
granite
500
waves of movement are called what?
convection currents
500
How many different types of rocks are there? Name them.
3 types sedimentary metamorphic igneous