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Search Results for igneous - All Grades

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Grade 9 Rocks
Grade 7 Rocks
Basaltic igneous rocks are
  1. light-colored.
  2. lower in density than granitic rock.
  3. high in silica content.
  4. high in iron and magnesium.
Grade 6 Rocks
What are the three types of rocks?
  1. Igneous, Sedimentary, Metamorphic
  2. Igneous, Hematite, Feldspar
  3. Mica, Sedimentary, Metamorphic
  4. Pyrite, Sedimentary, Igneous
Grade 6 Rocks
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 6 Rocks
How are igneous rocks formed?
  1. Pressure and heat changes a rock
  2. Dirt settles on the bottom of a lake or ocean and is pushed together
  3. Liquid lava or magma that cools over time
  4. Plants or animals become covered in dirt, pressed down, and preserved
Grade 5 Rocks
Igneous rocks formed from
  1. crystals left behind when water evaporated.
  2. meteorites that fell to Earth.
  3. melted rock material that cooled and hardened.
  4. layers of sediment that were squeezed together.
Grade 7 Rocks
Grade 8 Rocks
Lava that cools quickly forms                       rocks.
  1. extrusive metamorphic
  2. extrusive igneous
  3. intrusive metamorphic
  4. intrusive igneous
Grade 7 Rocks
How are igneous rocks formed?
  1. They are formed from sediments that collected in ocean beds.
  2. They are formed from cooled magma or lava.
  3. They are formed over many years of pressure and heat within Earth.
  4. They are the hot lava the moment it is expelled from a volcano.
Grade 7 Rocks
Igneous rock transforms to sediment by                      .
  1. melting and cooling
  2. heat and pressure
  3. cementation
  4. weathering and erosion
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