Potential short answer questions: What is Pangea? Describe at least 4 pieces of evidence that led Wegener to suggest the theory of Continental Drift.

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1 6th Grade Earth Science Fall Semester Mid-Term Study Guide The mid-term may include: 4 short answer questions,1-2 sketches to draw and/or label, 4 partially filled charts which you should complete, 30 fill in the blank sentences, and multiple choice questions The following information is taken directly from your previous Unit guides and information that should be in your Science Binder. A copy of the teacher binder is on Mrs. Jackson's website, and you may use it as a reference. An answer key for the study guide will also be available on-line by December 17th. We will review information in class according the following schedule: Dec, 10. Short Answer Practice Dec Write definitions Dec Chart completion Dec Fill-in-blank completion and practice charts Dec. 14- Fill-in-the-blanks completion and multiple choice in class practice Dec. 17- Fill-in-the-blank review and multiple choice in class practice Dec Science Mid-Term Exam and Study Guides due as a major grade After you complete the study guide, you may replace everything in your Science Binder from the Fall Semester with this Study Guide. All mid-term test questions and any future quizzes or final tests will only cover first semester information found on this study guide. Potential short answer questions: What is Pangea? Describe at least 4 pieces of evidence that led Wegener to suggest the theory of Continental Drift. Define the theory of Plate Tectonics.

2 Describe how the granite of a mountain could change into sandstone, a sedimentary rock, and then into quartzite, a metamorphic rock. In your paragraph, underline the following words: weathering, erosion, deposition, sediment, heat and pressure and cementation. Describe how Plate Tectonics helps explain volcanoes. Describe how subduction can cause rocks to change form.

3 List and briefly describe the three processes that work together to wear down and build up Earth s surfaces.

4 Potential Charts and Sketches Major Plate Sketch Plate Boundaries and Geologic Features Chart Layers of Earth s Interior Sketch Rock Cycle Processes, Products and Rock Cycle diagram Subduction Sketch Geologic Time Scale Chart Volcanoes and Plate Boundaries Chart and Sketch Identifying Weathering, Erosion and Deposition Chart Fossil Types Chart Timeline of Plate Tectonic History Chart

5 Be able to label the major tectonic plates listed below.

6 Plate Boundaries and Geologic Features Diagram Type of Boundary Lithosphe re is: Land Feature or Geologic Process Formed Actual Example Oceanic crust Continental Crust 1. Oceanic to Oceanic Oceanic to Continental Continental to Continental

7 Label the Layers of Earth sketch below:

8 5 Processes that Cause Rocks to Change Products Rock Cycle Diagram How the processes and products are connected

9 Geologic Time Scale Era Major Geologic Event Dominant Life Forms

10 Volcanoes and Plate Boundaries Boundary Type Convergent Boundary Mid-Plate Divergent Boundary Convergent Boundary Divergent Boundary Crust Type Geological Feature Example Draw a sketch of the plate boundaries and volcano types below:

11 Fossil Type Six Fossil Types Description

12 Timeline of History of Plate Tectonic Theory Major Event Description Approximate Date

13 Subduction Zone Sketch F G E C A - Melted Crust B Volcano C Magma D Oceanic Crust E Mantle F Deep Ocean Trench G Mid Ocean Ridge (draw and label this feature to the left of the above In the space below, draw and label a subduction sketch.

14 Plate Tectonics Fill in the Blank Sentences All the continents were joined together in a supercontinent that Wegener called A(n) is any trace of an ancient organism preserved in rock. Wegener s idea that the continents slowly moved over Earth s surface became known as of the plant Glossopteris provided evidence for Wegener s hypothesis for continental drift. The idea of continents moving slowly over Earth s surface was developed by German scientist. Wegener noticed that mountain ranges on the continents of South America and line up. A canyon on the ocean floor at which the crust bends downward is called a(n). The process that continually adds new material to the ocean floor is called. The process by which the ocean floor sinks into the mantle is known as A chain of underwater mountains along which sea-floor spreading occurs is a(n) At a(n), plates come together. Breaks in Earth s crust where rocks have slipped past each other are called. The lithosphere is broken into separate sections called. A(n) is a deep valley on land that forms along a divergent boundary. The geological theory that states that pieces of Earth s crust are in constant, slow motion is called. At a(n), plates slip past each other. Plates move apart along a(n).

15 Rocks and Minerals, Volcanoes Fill-in-the blank The look and feel of a rock s surface is its. The particles of minerals or other rocks that make up a rock are called rock forms when rock particles get pressed and cemented together. rock forms when a rock is changed by heat or pressure. rock forms when magma or lava cools and hardens. The series of processes that that slowly change Earth s rocks from one kind to another is called the rock Plate movements help drive the rock cycle by helping to form, the source of igneous rocks. Deep beneath the surface, and pressure can change sedimentary rock to metamorphic rock. Through the process of, magma. metamorphic rock can become Sediment piles up on the ocean floor through the process of. An area where material from deep within Earth s mantle rises to the crust and melts to form magma is called a(n). is an underground molten mixture of rock-forming substances, gases, and water from the mantle. Volcanic belts form along the boundaries of Earth s. The Ring of Fire is a major belt of. Japan and New Zealand are examples of strings of volcanic islands known as.

16 Geologic Time Scale Fill-In the Blank Sentences Because the time span of Earth s past is so great, geologists use the time scale to show Earth s history. Scientists choose where units of geologic time began and ended based upon major changes in the at certain times. The long span of time that begins the geologic time scale is the. Geologists divide the time between the Pre-Cambrian and today into three. The Triassic Period, the Jurassic Period, and the Cretaceous Period occurred in the Era Most fossils form when living things die and are buried by that hardens into rock over time. A(n) is an extremely thin coating of carbon on rock. The term is used to identify a scientist who studies fossils. Scientists study the to learn about the history of life, past environments on Earth, and how different groups of organisms have changed over time. is the gradual change in living things over long periods. An organism is if it no longer exists and will never live again on Earth. A(n) occurs when many types of living things die out at the same time. The Mesozoic Era is often called the Age of because of the success of these animals. The Triassic Period saw the rise of, or warm-blooded vertebrates that feed milk to their young. The geologic era in which we are living is called the. At the start of the, many organisms evolved with hard parts including shells and outer skeletons. Reptiles were so successful that the is often called the Age of Reptiles. At the close of the, about 65 million years ago, a second mass extinction occurred. The first dinosaurs appeared during the. During the, mammals evolved to live in many different environments on land, in water, and even in the air.

17 Weathering and Erosion and Topographic Map Fill-in the Blank sentences The agents of erosion lay down sediment in a new location in a process called. The material moved by erosion is called. The process by which natural forces move weathered rock and soil from one place to another is called. includes several processes caused by gravity that move sediment downhill. is a force that pull objects toward the Earth. They type of and the climate determine the rate at which weathering occurs. weathering occurs when abrasion and other natural agents physically wear away rock. The process by which ice widens and deepens a crack in a rock is called. The change in elevation from one contour line to the next line is called. are lines on a map labeled with the elevation. A connects points of equal elevation on a topographic map. A map shows the surface features of an area. Widely spaced contour lines indicate a relatively area.

18 Identifying Weathering, Erosion or Deposition Geological Event W, E or D? More specific terms or processes Possible Land Features Formed water getting into cracks, freezing and breaking rocks or pavement apart wind blowing sand from one location to another wind blasting sand at rock and carving out arches glaciers scraping rocks across the earth's surface Sand dunes arches glacier scars, muddy water being carried away by a fast-moving river rocks being made smooth by tumbling across a streambed glaciers picking up rocks as it flows over the land ponds filling up with sediment and becoming marshes flood waters moving soil from one location to another flood water pounding against a canyon wall and wearing it down rain washing away soil from a hillside layers of sediment forming at the mouth of a river marshes flood plain u-shaped valley, glacial lakes, cirque, kettle lake waterfall gully, rills, delta a mudslide flowing down a steep hill glaciers melting and dropping sediment and rocks waves dropping sand on the beach waves crashing against a cliff very slow movement of sediment down a hill groundwater combining with carbonic acid below the surface moraine, drumlin, sandy beach wave-cut cliff, sea cave, sea arch, sea stack tilted tree trunks caverns

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