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Igneous, Sedimentary and Metamorphic Rocks

6th Grade Quiz - Fellowship Christian School
Across
Formed by erosion, then deposition, then compaction and then cementation - creates this rock
A material found in magma from the elements
This type of sedimentary rock - C______ Rocks are minerals dissolved in solutions and crystallize (like limestone)
An example of a metamorphic "foliated" rock, created from heat and pressure on the sedimentary rock shule that turns into this
______ depends on both the size and the shape of the rock's mineral crystal
When igneous rocks are formed from magma hardening beneath the Earth's surface
This type of sedimentary rock - O_____ Rocks come from things that were once living like plant and animal remains
Minerals in rocks dissolve during compaction and act like glue to stick pieces together
Sediment settles or "sinks" from the water and wind
This is a type of sedimentary rock - C____ Rocks are chunks of other rocks that squish together to make a new rock
Grains in the rocks that are arranged in parallel layers or bands
Down
Geologists classify metamorphic rocks based on the arrangement of the _____ in the rock
An igneous rock that is dark colored, low silica
Heat and pressure deep below Earth's surface creates this rock
Erosion is when water, wind and ice loosen rock and ________ it to somewhere else
Sedimentary rocks are formed by _______ then deposition
An example of igneous rock, called volcanic glass
A rocks _______ provides clues bout its mineral composition
When igneous rocks are formed from lava erupting onto Earth's surface
Layers of sediment squish together from weight of layers
Nonfoliated rocks have grains that are arranged _______
An igneous rock that is light colored, high silica
Slow cooling lava forms large ___
An example of a metamorphic "nonfoliated" rock, formed from sandstone when weak particles of quartz re-crystallizes and becomes much smoother