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Eighth Grade (Grade 8) Rocks Questions

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Grade 8 Rocks
Made of sedimentary rock formed from the remains of dead sea animals
  1. lava
  2. limestone
  3. ridge plateau
  4. loess deposits
Grade 8 Rocks
What geologic process can change granite (igneous rock) into gneiss (metamorphic rock)?
  1. Compacting and cementing
  2. Cooling
  3. Heat and pressure
  4. Melting
Grade 8 Rocks
Which cycle is primarily represented by the diagram?
Subduction Zone
  1. life cycle
  2. rock cycle
  3. water cycle
  4. carbon cycle
Grade 8 Rocks
According to the law of superposition, where do the oldest fossils are found?
  1. at the top of the rock layers
  2. in the middle of the rock layers
  3. near the bottom of the rock layers
  4. somewhat near the surface
Grade 8 Rocks
Where would dynamic metamorphism of rocks most likely occur?
  1. next to a magma chamber
  2. near seafloor spreading
  3. within a mountain chain
  4. along a fault zone
Grade 8 Rocks
Rocks are solid mixture of                .
  1. magma
  2. minerals
  3. lava
  4. sediments
Grade 8 Rocks
What type of rock is created when molten rock (magma) cools and hardens?
  1. Metamorphic
  2. Igneous
  3. Sedimentary
  4. All of the Above
Grade 8 Rocks
Which is a metamorphic rock composed of layers?
  1. coal
  2. marble
  3. slate
  4. limestone
Grade 8 Rocks
What are the major minerals present in basaltic rock?
  1. magma and iron
  2. iron and magnesium
  3. minerals and grains
  4. heat and pressure
Grade 8 Rocks
What type of rock will form if sedimentary rock is exposed to heat and pressure?
  1. Igneous
  2. Sedimentary
  3. Metamorphic
  4. All of the above
Grade 8 Rocks
What are the three types of metamorphism?
  1. slate, marble, quartzite
  2. clastic, chemical, and organic
  3. lava, magma, and volcano
  4. contact, regional, and burial
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