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Ivack 6th Science Chap. 4
37 cards·by livack
rock that forms from cooling magma or lava
igneous
rock that forms when a rock is changed by heat, pressure, or chemical reactions
metamorphic
rock that forms when particles are pressed together
sedimentary
a material form from oxygen and silicon
silica
A ________ sedimentary rock forms when rock fragments are squeezed together
clastic
A ________ sedimentary rock forms where remains of plants or animals are deposited
organic
A ________ sedimentary rock forms when minerals dissolve in a solution and crystallize
chemical
Rocks high in silica are dark or light?
light
Rocks low in silica are dark or light?
dark
Extrusive or Intrusive? formed from lava on Earth's surface
extrusive
Extrusive or Intrusive? fine grained with small crystals
extrusive
Extrusive or Intrusive? coarse grained with large crystals
intrusive
Extrusive or Intrusive? formed from magma below Earth's surface
intrusive
an intrusive rock with large crystals surrounded by small crystals; forms when magma cools
slowly at first and the quickly
porphyry
What type of rock is basalt? (Igneous, Sedimentary, or Metamorphic)
igneous
Running water, wind, or ice causes ___________
erosion
When we melted crayons, we made _________________rocks
igneous
Heat and pressure result in _______________rocks
metamorphic
When grain is arranged in parallel bands is is said to be ________________
foliated
What type of rock is slate? (Igneous, Sedimentary, or Metamorphic)
metamorphic
What type of rock is gneiss? (Igneous, Sedimentary, or Metamorphic)
metamorphic
What type of rock is sandstone? (Igneous, Sedimentary, or Metamorphic)
sedimentary
____________ is a sedimentary rock that began as coral
limestone
an intrusive rock with large crystals surrounded by small crystals; forms when magma cools
slowly at first and the quickly
porphyry
What type of rock is basalt? (Igneous, Sedimentary, or Metamorphic)
igneous
Running water, wind, or ice causes ___________
erosion
When we melted crayons, we made _________________rocks
igneous
Heat and pressure result in _______________rocks
metamorphic
When grain is arranged in parallel bands is is said to be ________________
foliated
What type of rock is slate? (Igneous, Sedimentary, or Metamorphic)
metamorphic
What type of rock is gneiss? (Igneous, Sedimentary, or Metamorphic)
metamorphic
What type of rock is sandstone? (Igneous, Sedimentary, or Metamorphic)
sedimentary
____________ is a sedimentary rock that began as coral
limestone
Is coal an organic rock or chemical rock?
organic rock
Slate forms from _____________
shale
What type of rock is sandstone? (Igneous, Sedimentary, or Metamorphic)
sedimentary
What type of rock is granite? (Igneous, Sedimentary, or Metamorphic)
igneous