Measuring Up Lesson 32 pps. 175-178 Forces that change Earth

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Measuring Up Lesson 32pps. 175-178Forces that
change Earths SurfaceObjective 4

• At the end of this lesson you will should
  understand Earths surface features and resources
  by learning about the forces that shaped and
  continue to shape them.
• TEKS
• 5.6A Identify events and describe changes that
  occur on a regular basis.
• 5.11A Identify and observe actions that require
  time for changes to be measurable.
• 5.12A Interpret how landforms are the result of
  a combination of constructive and destructive
  forces such as deposition of sediment and
  weathering.

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Vocabulary p. 175

• Landforms
• One of many different-shaped features found on
  the continents, such as a mountain, valley, or
  plateau
• Erosion
• The wearing away of rock or soil by wind, water,
  or ice
• Weathering
• A process that breaks down rocks
• Minerals
• Nonliving natural materials with a regular
  structure, including metals, metal ores, and some
  kinds of rock

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Guided Questions pps. 175-176

• What are continents?
• Landmasses
• What are three kinds of landforms?
• Mountains, plateaus, and plains
• What occurs during weathering?
• Wearing away of mountains
• What landforms are formed by erosion?
• valleys and canyons
• Name a few minerals.
• Metal and metal ores

4
Short Answer p. 176

• How do continental plates move?
• They float on a layer of liquid or molten rock.
• How can moving continental plates change Earths
  surface?
• They move apart to form valleys or move together
  to form mountains.

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Short Answer p. 176

• How can erosion wear away and build up Earths
  surface?
• Wear away Wind and rain can move rocks and soil.
• Build up Rocks and soil can be deposited in
  other areas to form plains.
• How is the building up of Earth and the wearing
  down of Earth related to different kinds of rock?
• When erosion moves bits of rock and deposit them
  somewhere else, they can turn into sedimentary
  rock.

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Apply the TEKS p. 177

• What type of rock is granite? Explain.
• Granite is an igneous rock it forms from slowly
  cooled magma.
• Describe how shale is formed.
• Shale is formed from layers of clay and silt
  deposited over time.
• How is obsidian formed, and what type of rock is
  it?
• Obsidian is formed as lava cools quickly after a
  volcanic eruption. Obsidian is an igneous rock.

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Apply the TEKS p. 177

• Limestone and marble are both used in
  sculpturing. Limestone becomes marble under heat
  and pressure. Classify each rock, and tell which
  would be harder to sculpt.
• Limestone is a sedimentary rock, and marble is
  metamorphic. Ex marble is harder to sculpt
  because it is metamorphic rock, which is harder
  due to the intense heat and pressure it
  underwent.
• Explain how the minerals in a piece of granite
  become part of a sedimentary rock.
• Ex The granite could be weathered and broken
  into small pieces. Some of the pieces. Some of
  these pieces could be eroded an then compacted to
  form sedimentary rock.

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TAKS Practice p. 178

• Link to TAKS Practice