Rock Cycle Brain Teaser

I am a cycle where rocks are broken down. What am I?
Rock Cycle
I am made of Sodium and Chloride. What am I?
Common Salt
I am made of Magnesium and Sulfate (Sulphate). What am I?
EPSOM salt
I am the process of which rocks are broken down. What am I?
Weathering
I am the physical agent of weathering through water, living things and even ice! What am I?
Erosion
I am an intrusive rock. I am very common. I'm used to make roads. What am I?
Granite
I am a type of plate. You can't eat me! I am under the earth. I form volcanoes and earthquakes. What am I?
Tectonic plates
I make needle-like crystals. What am I?
Salt
End Of Game
Time
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