Study

Rocks & Minerals - 4th grade

  •   0%
  •  0     0     0

      Back   Restart
  • How are igneous rocks formed?
    They are formed when lava or magma cools down and turns into solid rock.
  • Granite is an example of... what type of rock?
    Igneous
  • Are minerals solid, liquid or gas?
    Solid
  • ____ is the process of recylcing and changing rocks from one type of rock into another by Earth's geological process.
    The Rock Cycle
  • How are metamorphic rocks formed?
    They are formed when sedimentary or igneous rocks are changed by extreme heat and pressure underground
  • Where do we find minerals? ( there is more than one answer.)
    Museums, Jewelry, Building Materials, Graphite, Food, Caves, and Rocks
  • What is the geosphere?
    All of the Earth’s layers of minerals and rocks
  • What type of rocks are formed when sedimentary or igneous rocks are changed by extreme heat and pressure underground?
    Metamorphic rocks
  • True or False: Weathering breaks down rocks from large sizes to small particles?
    True
  • What is the mantle?
    The middle layer of hot solid rock and hot liquid magma
  • what causes biological weather?
    living things
  • What is the top Earth´s layer, where we live?
    The crust
  • Are minerals natural or man - made?
    Natural
  • Name three layers of the Earth
    Crust, mantle and core
  • What is the super-hot Earth´s layer, with a solid centre?
    The core
  • Minerals have specific properties: colour, lustre, shape and...
    hardness
  • Minerals are solid, inorganic and natural. Explain two more characteristics of minerals
    They have a definite chemical composition and a crystalline structure
  • True or false: Extreme hot and cold temperature ( freeze-thaw) cause physical weathering?
    True
  • What type of rocks are formed when lava or magma cools down and turns into solid rock?
    Igneous rocks
  • What is a "mixture of different minerals"?
    A rock
  • Acid rain is a form of what type of weathering?
    chemical weathering
  • Limestone is an example of... what type of rock?
    Sedimentary
  • How are sedimentary rocks formed?
    They are formed when small pieces of rock (sediments) are pressed together over time
  • What is the crust?
    the top Earth´s layer, where we live
  • If each contour line is equal to 20 m, what is the elevation in meters of point B?
    480m
  • ______the study of plates and how they move .
    plate tectonics
  • Name 3 types of weather.
    physical, chemical, biological
  • What is defined as "all of the Earth’s layers of minerals and rocks"?
    Geosphere
  • What is the elevation in meters of point C?
    540m
  • What type of rocks are formed when small pieces of rock are pressed together over time?
    Sedimentary rocks
  • The Earth's continents were made by
    plate movement
  • What type of rocks are formed when sedimentary or igneous rocks are changed by extreme heat and pressure underground?
    Metamorphic rocks
    • Your experience on this site will be improved by allowing cookies.