Rocks
More Rocks
Rocks 2.0
Guess what? Rocks.
This rocks.
100
The Earth is how old?
4.6 Billion years old
100
_______ are small particles of rocks that form when rock breaks down
What is sediments
100
This is when the molten rock is BELOW the Surface.
Magma.
100
This is when the magma goes above the Earth's surface.
Lava
100
What layer of the earth does tectonic plates "float" on?
Crust
200
True or False: the top layers of the Earth are the newest.
True.
200
The breaking down of rock at or near Earth's surface is called
What is weathering
200
This Earth layer is the largest with molten rock.
Mantle
200
What is the Law of Superposition commonly compared to?
a laundry basket
200
This causes canyons to form.
Erosion
300
When weathered rock is picked up and moved it is called
erosion
300
This boundary is when two tectonic plates drift apart, usually found where sea floor spreading occurs.
Divergent
300
_______ is when the wind/water/glacier drops the material they are eroding
What is deposition
300
Why is the inner core solid and the outer core is not?
The inner core experiences more pressure.
300
True or false: A rock can never be worn down by erosion.
False
400
Which is larger and longer? An eon or a period.
Eon.
400
What type of rock is at 1 and 4?
Igneous.
400
Metamorphic rock needs these 2 things to be created.
Heat and pressure
400
What processes can igneous, metamorphic, and sedimentary become sediment?
weathering and erosion
400
This boundary is created when 2 plates slide next to each other.
Transform
500
Igneous rock is commonly made out of what kind of cooled and hardened material?
Lava/Magma
500
These rocks are formed from PRESSURE after the dirt/sand/shells are deposited into layers.
Sedimentary
500
What is the zone called when one tectonic plate slips below the other?
subduction
500
This type of rock is when sedimentary rocks are heated and then pressurized.
Metamorphic
500
B. Before fossil 2, but after 3-5.