what is an igneous rock?
rocks that are formed from magma that cools and hardens
what is a sedimentary rock?
rocks formed from broken down bits of other rocks or even from the remains of plants or animals because of pressure
what is a metamorphic rock?
a type of rock which has been changed by extreme heat and pressure.
What are rocks made of?
minerals
Igneous rock forms from
volcanic material that cools and hardens
smaller rocks, sand, pebbles, shells, fossils
Which of the following processes would produce metamorphic rocks?
A. Gradual erosion
B. Slow cooling
C. Rapid heating
D. Extreme pressure
Extreme pressure
what are rocks classified by how they.........
are formed
Igneous rock is made from molten rock. What is molten rock?
rock that is melted
Sedimentary rocks most common physical feature is that they typically have...............
layers
In the word "metamorphic" there is the word "morph" which means to......
change into something else
A person that studies rocks is called a....
geologist
In order for a rock to be classified as igneous, what must have happened during its formation?
A. Solid rock changing under pressure
B. Liquid rock changing its physical state
C. Small rocks becoming cemented together
D. Layered rock breaking into smaller pieces
Liquid rock changing its physical state
How do igneous rocks change to sedimentary rocks?
broken bits of igneous rocks are carried away by weather elements and heat/pressure makes them cements and compacts them together.
The Taj Mahal in India is made entirely of a type of rock that is metamorphic. This type of rock can also be seen in kitchens.
marble
Fossils can be found in which of the rocks?
sedimentary
Give 2 examples of an Igneous Rock
granite, obsidian , pumice, basalt
Give 2 examples of an Sedimentary Rock
limestone, sandstone, shale,
Give 2 examples of an Metamorphic Rock
marble, slate, gneiss, quartzite
erosion, deposition, compaction, and cementation is found in the formation process of which rock?
sedimentary