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Shorelines Assignment

Shorelines Assignment . Section 16.3. Key Concepts/ Vocab. Key Concepts: How are the sediments along the shoreline moved? How does refraction affect wave action along the shore? What do longshore currents do? By which processes do shoreline features form?

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Shorelines Assignment

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  1. Shorelines Assignment Section 16.3

  2. Key Concepts/Vocab Key Concepts: • How are the sediments along the shoreline moved? • How does refraction affect wave action along the shore? • What do longshore currents do? • By which processes do shoreline features form? • What structures can be built to protect a shoreline? • What is beach nourishment? Vocabulary: • Beach • Wave refraction • Longshore current • Barrier island Assignment: • List the pros and cons of groins, breakwaters, seawalls, and beach nourishment. Choose which protective measure do you believe is the most effective. Explain your reasoning. • Pg. 467 #10-12, pg. 472 #19-22

  3. Review Questions • What landforms are created by wave erosion? • List four ways to prevent or slow shoreline erosion? • What would cause the inscription on a marble gravestone to become harder and harder to read over time? • A soil’s texture is determined by _____. • Whenever the characteristics and chemical composition of weathered materials have been altered, they have undergone _____. • Chemical weathering would be most effective in a ­_____. • The B horizon is also called the _____. • Where is the energy source found that drives the processes that form igneous and metamorphic rocks? • Which structure is built to protect boats from large breaking waves? • A foliated metamorphic rock forms when crystals _____.

  4. Review Questions • What landforms are created by wave erosion? Wave-cut cliffs and platforms, sea arches, and sea stacks • List four ways to prevent or slow shoreline erosion? Groins, breakwaters, and seawalls, and beach nourishment. • What would cause the inscription on a marble gravestone to become harder and harder to read over time? chemical weathering • A soil’s texture is determined by _____. Particle size • Whenever the characteristics and chemical composition of weathered materials have been altered, they have undergone _____. chemical weathering • Chemical weathering would be most effective in a ­_____. Warm, humid climate • The B horizon is also called the _____. subsoil. • Where is the energy source found that drives the processes that form igneous and metamorphic rocks? Earth’s interior • Which structure is built to protect boats from large breaking waves? Breakwater • A foliated metamorphic rock forms when crystals _____. Combine and form visible bands

  5. Review Questions • The factor that has the greatest effect on soil formation is _____. • What can fossils found in sedimentary rocks be used for? • In which of the following settings would a metamorphic rock most likely form—an ocean floor, on the slopes of an active volcano, a desert, or 8 km below Earth’s surface? • As the rate of cooling of igneous rocks increases, the size of crystals that form ­­­_____. • List three factors that affect the rate of weathering. • A rock that forms when magma hardens beneath Earth’s surface is called an _____. • What is the mechanical weathering process that involves constant freezing and thawing of water? • What feature connects an island to the mainland or to another island? • What are the three types of rocks? • What is a wave-cut platform? • List three processes associated with mechanical weathering?

  6. Review Questions • The factor that has the greatest effect on soil formation is _____. Climate • What can fossils found in sedimentary rocks be used for? Matching rocks of the same age found in different places, interpreting past environments, and indicating when the rock formed. • In which of the following settings would a metamorphic rock most likely form—an ocean floor, on the slopes of an active volcano, a desert, or 8 km below Earth’s surface? 8 km below Earth’s surface • As the rate of cooling of igneous rocks increases, the size of crystals that form ­­­_____. Decreases • List three factors that affect the rate of weathering. Chemical composition of the exposed rock, surface area of the exposed rock, and climate. • A rock that forms when magma hardens beneath Earth’s surface is called an _____. Intrusive igneous rock. • What is the mechanical weathering process that involves constant freezing and thawing of water? Frost wedging • What feature connects an island to the mainland or to another island? Tombolo • What are the three types of rocks? Igneous, metamorphic, and sedimentary • What is a wave-cut platform? A flat, benchlike surface • List three processes associated with mechanical weathering? Unloading, biological activity, and frost wedging.

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