Sedimentary Rock
Sediment is made of what?
layers
Igneous rock is commonly formed in what?
Volcano
metamorphic rock forms in...
Immense heat and pressure
Active volcanos produce lava and?
Smoke/ash
What happens when plates rub against each other?
Earthquakes
Limestone is what color?
gray,white,yellow,brown
The rock pumice has what on it?
Holes
Metamorphic rocks and sedimentary rocks both have...
layers
What is the scale to measure earthquake strength?
Magnitude
How many major plates are there?
7
What is sediment
Material that settles to the bottom a liquid.
Igneous is a cooled form of what?
Lava or Magma
Metamorphic rock is usually found near?
tectonic plates
What year did Pompeii erupt?
1944
Name a major plate
N american,S american,Antarctic,
Limestone is commonly used as?
Concrete
Obsidian is hard but...
Brittle
What brings metamorphic rock to earths surface?
Uplifts and erosion
What is the strongest magnitude earthquake reported?
9.5
Who proposed the theory of continental drift?
Alfred Weigner
What is a single layer of sedimentary rock called?
Bed or Stratum
How many types of igneous rock are there?
2
Marble is formed from what sedimentary rock?
Limestone
How many volcanos are in the ring of fire?
452
name the total amount of tectonic plates on earth.
15