1 Flashcards
(26 cards)
What are the three main types of rocks?
Igneous, sedimentary, and metamorphic.
True or False: Igneous rocks are formed from the cooling and solidification of magma or lava.
True.
Fill in the blank: Sedimentary rocks are primarily formed from ________ of other rocks.
deposition and compaction.
What type of rock is formed under high pressure and temperature from existing rocks?
Metamorphic rock.
Which type of rock is typically associated with volcanic activity?
Igneous rock.
Multiple Choice: Which of the following is a type of sedimentary rock? A) Granite B) Limestone C) Gneiss
B) Limestone.
What is the process called where sediments compact and cement together to form sedimentary rocks?
Lithification.
True or False: Metamorphic rocks can only be formed from igneous rocks.
False.
Fill in the blank: The two main types of igneous rocks are ________ and ________.
intrusive and extrusive.
What is the primary component of most igneous rocks?
Silicate minerals.
Multiple Choice: Which rock is an example of an intrusive igneous rock? A) Basalt B) Granite C) Sandstone
B) Granite.
What type of sedimentary rock is formed from the remains of plants and animals?
Organic sedimentary rock.
True or False: The rock cycle describes the transitions between different rock types.
True.
Fill in the blank: The process by which rocks are broken down into smaller pieces is called ________.
weathering.
What is the main characteristic of clastic sedimentary rocks?
They are composed of fragments of pre-existing rocks.
Multiple Choice: Which of the following is NOT a metamorphic rock? A) Schist B) Marble C) Shale
C) Shale.
What is the term for the texture of igneous rocks that have large crystals?
Phaneritic.
True or False: All metamorphic rocks originate from sedimentary rocks.
False.
Fill in the blank: The process of changing one type of rock into another type is called ________.
metamorphism.
What type of rock is primarily composed of calcite?
Limestone.
Multiple Choice: Which rock type is formed from cooling lava on the Earth’s surface? A) Granite B) Basalt C) Gneiss
B) Basalt.
What is the primary driver of the rock cycle?
Earth’s internal heat and surface processes.
True or False: Igneous rocks can be formed both above and below the Earth’s surface.
True.
Fill in the blank: ________ rocks are formed from the alteration of existing rocks due to heat, pressure, or chemically active fluids.
Metamorphic.
