Vocabulary
Igneous rock formed from lava that erupted onto Earths surface.
What is extrusive rock?
Igneous rock is formed from what?
magma and lava
Sedimentary is formed from what?
Sediments
Where and under what conditions do are metamorphic rocks formed?
Beneath earth's surface under heat and pressure
What must happen to any rock in the rock cycle to become a sedimentary rock?
erosion to create sediments
The process in which dissolved minerals crystallize and glue particles of sediment together.
cementation
Do igneous rocks contain fossils?
No
What is a sediment?
A small piece of material that comes from rocks or living things.
How might a metamorphic rock become a sedimentary rock?
erosion
Destructive forces are constantly breaking up and wearing away all the rocks on Earth's surface. These forces include heat and cold, rain, waves, and grinding ice. This force is called
erosion
Igneous rock that formed when magma hardened beneath Earth's surface
What is intrusive rock?
How can sedimentary rock become igneous rock?
Melt
In layers of sedimentary rock, where would you expect to find the oldest sediment. Explain
On the bottom because of layering
A metamorphic rock in which the grains line up in parallel bands is what?
foliated
Thick layers press down on the layers beneath them and presses the sediments together is a process called what?
compaction
Coral animals skeletons grow together to form a structure
coral reef
What is one common use of igneous rocks
building material, abrasive, sharpen tools, counter tops, make knives
Sedimentary rocks are formed through a series of process which are...
Erosion, deposition, compaction, and cementation
What is the main use of metamorphic rocks
materials for buildings and sculptures
Limestone deposits that began as _______ provide evidence of how Earth's surface has changed.
coral reefs
Metamorphic rocks that have their grains arranged in parallel layers or bands are said to be...
foliated
What characteristics make igneous rocks useful?
They are hard, dense, and durable
How can sedimentary rock form into metamorphic rock?
heat and pressure
Where is a common place that you might find metamorphic rocks?
mountains, or tectonic fault plate lines
You find a rock in which the grains are arranged in parallel bands of white and black crystals. The type of rock is probably what?
metamorphic