Defining Rocks
What is the scientific name for molten rock on earth's surface?
Lava.
What is the name of the process that turns rock into magma?
Melting
How long does the rock cycle take?
Millions of years.
What do we call the processes of rock always changing?
The Rock Cycle
Which type of rock forms when magma cools and crystallizes?
Igneous Rock
What is the name of the process that breaks down rock by wind or water?
Weathering.
What is the scientific term used when sediment is transformed into Sedimentary Rock?
Lithification
Sandstone, Limestone, Shale.
What is the scientific name for molten rock under the Earth's surface?
Magma.
What is the scientific term for fragments of rock?
Sediment.
Explain how Sedimentary Rock can become Metamorphic Rock.
Through a process known as heat and pressure.
Give one example of Metamorphic Rock.
Marble, Quartzite, and Slate.
What type of rock requires compaction and cementation to form?
Sedimentary Rock.
Which rock types can be broken down into sediment?
Igneous Rock, Sedimentary Rock, & Metamorphic Rock.
Which rock types are created using heat and pressure?
Igneous Rock & Sedimentary Rock
Give one example of Igneous Rock.
Basalt (lava rock), Obsidian, and Pumice.
What type of rock is created when heat and pressure create a new rock from an existing one?
Metamorphic Rock
How many main categories are listed on the Rock Cycle? (types of rock, and substances?)
5
Which rock type requires an additional process following heat and pressure to form?
Igneous Rock
Sedimentary Rock