What rock is formed by compacting & cementing of sediments?
Sedimentary
What was the super continent named?
Pangea
The type of plate boundary where two plates come together is a .....
Convergent
What is the thinnest layer?
Crust
Deposition, Erosion, or Weathering?
A flash flood washes away the side of a river bank
Erosion
What rock is formed by the cooling & solidification of lava/magma?
Igneous
Who proposed the continental drift theory?
Alfred Wegener
What type of event occurs at a transform boundary?
Earthquake
What is the only liquid layer?
Outer Core
Deposition, Erosion, or Weathering?
Waves wash sand onto land until a beach is formed
Deposition
What rock is formed by heat and pressure?
Metamorphic
The fact that similar fossils are found on both sides of the ocean is evidence of:
Continental Drift
A divergent boundary occurs when plates ....
move apart, divide, pull apart
Put the Earth layers in order from coolest to hottest:
Crust, Mantle, Outer Core, Inner Core
Deposition, Erosion, Weathering?
A rock breaking apart by cracking or by acid rain are examples of
Weathering
When a metamorphic rock is melted, what is formed?
Magma
According to the law of superposition, the oldest fossils are found...
Near the bottom of the rock layers
What are the two types of crust and what are they made of?
Continental (Granite) and Oceanic (Basalt)
We can make inferences about the interior of Earth by analyzing:
the behavior of seismic waves
What kind of river has slower-moving water: straight or curvy?
Curvy
What is the difference between extrusive and intrusive igneous rocks?
Extrusive- outside the Earth's surface, Volcano
Intrusive- inside the Earth's surface, Ocean Floor
If a scientist found a fish fossil in the desert, what can they infer?
That water covered the area long ago
What two features are formed at a Convergent Subduction boundary?
Ocean Trench and Volcanoes
In which Earth layer are most convection currents that cause seafloor spreading thought to be located??
Asthenosphere
Why are rocks smoother near water?
Because they have been eroded or weathered