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Seventh Grade (Grade 7) Rocks Questions

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Grade 7 Rocks
Which of the following is TRUE about the formation of sedimentary rocks?
  1. form when sediment is pressed together.
  2. often form in layers.
  3. form from existing rocks.
  4. all of the above
Grade 7 Rocks
Grade 7 Rocks
Grade 7 Rocks
Magma is
  1. molten rock found on Earth's surface.
  2. molten rock found under Earth's surface.
  3. hardened rock found near a volcano.
  4. hardened rock found in the ocean.
Grade 7 Rocks
In the rock cycle, weathering and erosion can change which type of rock into sediments?
  1. igneous rocks
  2. sedimentary rocks
  3. metamorphic rocks
  4. all of these
Grade 7 Rocks
Grade 7 Rocks
During the rock cycle
  1. sediments may be reduced to powder in fast-flowing streams.
  2. sediments may be cemented together in layers to form sedimentary rocks.
  3. high pressures and high temperatures may change sedimentary rock into metamorphic rock.
  4. all of these
Grade 7 Rocks
Rocks are classified as
  1. igneous, metamorphic, or sedimentary.
  2. sedimentary, intrusive, or metamorphic.
  3. sandstone, limestone, or granite.
  4. organic, intrusive, or clastic.
Grade 7 Rocks
Metamorphic rocks can be formed from
  1. igneous rocks.
  2. sedimentary rocks.
  3. metamorphic rocks.
  4. all rock groups.
Grade 7 Rocks
Igneous rocks are formed from
  1. the shells of small sea creatures.
  2. pebbles and other rocks cemented together.
  3. the remains of living things.
  4. magma.
Grade 7 Rocks
Which kind is an organic sedimentary rock?
  1. Conglomerate
  2. Slate
  3. Obsidian
  4. Coal
Grade 7 Rocks
The process showing how rocks are formed and changed.
  1. Rock Cycle
  2. Heat and Pressure
  3. Metamorphism
  4. Evolution
Grade 7 Rocks
How can igneous rocks be classified?
  1. Foliated or Nonfoliated
  2. Extrusive or Intrusive
  3. Clastic or Chemical
  4. None of the above
Grade 7 Rocks
The kind of igneous rock that forms below Earth's surface.
  1. Basaltic
  2. Metamorphic
  3. Intrusive
  4. Extrusive
Grade 7 Rocks
Coal is considered a
  1. sedimentary rock.
  2. igneous rock.
  3. metamorphic rock.
  4. mineral.
Grade 7 Rocks
Chemical sedimentary rock forms when
  1. mechanical weathering occurs.
  2. there is an accumulation of plant or animal debris.
  3. dissolved materials precipitate from a solution.
  4. molten material cools and hardens.
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