Terms
What is magma/lava?
Melted Rock
How is sediment created?
Weathering breaks down larger rocks
How would a sedimentary rock turn into a metamorphic rock?
Heat and pressure
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A rock falls into a volcano and then melts. It then comes out during a volcanic eruption and cools. What type of rock is this?
Igneous
Can any type of rock turn into any other type of rock?
Yes
Define: Weathering
The breaking down of rock into smaller pieces
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What is the difference between magma and lava?
Magma - underground
Lava- on surface
How would a metamorphic rock become sedimentary?
Break down by weathering and erosion then compact and cement the sediment
A rock is buried deep underground and is subjected to heat from Earth's interior. There is a lot of pressure from layers of rock above. What type of rock will this become?
Metamorphic
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Why is the rock cycle a cycle?
It is a never ending process that rocks go through without any order.
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Heat and pressure
How would a sedimentary rock become igneous?
melt and then cool (crystallize)
A layer of sediment settles down inside of a river. This sediment sits there for a thousand years. What type of rock will form?
Sedimentary
Heat and pressure creates what type of rock?
Metamorphic
Define: Crystallization
The cooling and hardening of molten rock
How does an igneous rock form?
molten rock cools and hardens (crystallization)
How would a metamorphic rock turn into a new metamorphic rock?
more heat and pressure
A rock is put under heat and pressure deep underground. A mining company digs up this rock and melts it to create jewelry. What type of rock is the jewelry made of?
Igneous
Why is the rock cycle important in the real world?
Construction, engineering, we live on a big rock, etc.
Define: Compaction and cementation
The movement of sediment
How does sedimentary rock form?
How would an igneous rock turn into a new igneous rock?
melt again and then cool down and harden (crystallize)
You are traveling in Hawaii and a volcano erupts. There is melted rock running down the surface of the volcano. What is coming down the side of the volcano?
Lava - soon to be igneous rock
Describe how each of the rock types look (how do you know which type of rock you are looking at?):
Sedimentary:
Metamorphic:
Igneous:
Sedimentary: layers, sandy
Metamorphic: squiggly, swirly, dark and light
Igneous: crystals, maybe glassy, holes