A | B |
Fools gold is also called _______. | pyrite |
How are igneous rocks formed? | Cooling and hardening of molten rock |
Where do you find fossils? | sedimentary |
How do we know an area might have been under water? | layers of sand and gravel in rock |
What determines the size of grains in igneous rock? | How quickly it cools |
What is streak? | The color of the rock's powder. |
Foliated means _________. | layered |
Non-foliated means _______. | not layered |
What process transforms igneous rocks into sedimentary rocks? | Weathering, erosion, lithification |
Large grains in igneous rocks are formed when _________. | the igneous rock cools slowly. |
What is most important when determining the environment in which an igneous rock was formed? | texture |
Metamorphic rocks indicate that ___________. | the place has undergone heat, pressure, and possible mountain building |
___________ are found in limestone and indicate the area was once ocean. | fossils |
What type of rock cools below the surface of the earth? | intrusive igneous |
Which mineral is easily identified by smell? | sulfur |
The characteristics of minerals are | naturally occuring, inorganic, solid, specific composition, crystal |
What are the two most common elements in the earth's crust? | silicon and oxygen |
What are the four most common minerals? | Quartz, feldspar, calcite, mica |
The dark crystals found in granite are most likely ________. | mica |
How are metamorphic rocks formed? | through heat and pressure |
What are some examples of sedimentary rocks? | shale, conglomerate, and sandstone |
What is an example of an intrusive igneous rock? | granite |
What are some examples of foliated metamorphic rocks? | schist, gniess, slate |
What causes the breaking down of rocks (to turn into sediment)? | weathering |
What type of rock is slate? | metamorphic |
How are individual mineral grains in sandstone held together? | compaction and cementation |