Which type of rock forms from intense heat and pressure?
Clastic sedimentary rocks are formed from ____________.
Igneous rocks are formed from _____________.
Rocks are classified as igneous, metamorphic, or sedimentary by _____________.
Intrusive igneous rocks cool ____________ so they have ____________ crystals.
Extrusive igneous rocks cool ___________ so they have ________ crystals.
Coal is a sedimentary rock made from compressed, dead plant matter so it is a ______ sedimentary rock.
Why are sedimentary rocks the only rocks with fossils in them?
Rocks are made of a mixture of _________________.
Halite or rock salt is left behind after salt water evaporates. It is an example of a ________ sedimentary rock.
After deposition, _____________ and ___________ occur to create sedimentary rocks.
How do sediments form?
Metamorphic rocks that are put under intense pressure tend to have a ________ texture so their minerals are all lined up in bands or layers..
Marble is a metamorphic rock that has been put under intense heat. Its minerals are melted and swirled together so it has a _____ texture.
What are the three categories of sedimentary rocks?
Obsidian, granite, and basalt are all examples of ____________ rocks that we looked at in our lab.
Sandstone, Limestone, and Conglomerate are all examples of __________ rocks that we looked at in our lab.
Gneiss and Marble are both examples of ________ rocks that we looked at in our lab.
All rocks can turn into other rocks during the never ending ____________.
What does vesicular mean? (Hint: Think about the pumice samples you got from Diamond Del.)
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