Name: ______Date: ______
Class: ____
Physical Geography – 1
Review
Answer the following questions AND be prepared to answer questions USING the information.
1. What is Geography and what subjects does it involve?
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2. Describe the “Big Bang” theory.
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3. The Sun is about 98% of the mass of the Solar System. There are 8 recognized planets orbiting the Sun. What causes the equatorial and polar regions of the Sun to rotate at different speeds?
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4. Name at least three careers that would require extensive knowledge of geography.
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5. In what hemispheres is the United States?
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6. Write the names of four Earth motions in descending order of time duration. Beside each name, write the duration or time to complete the motion.
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Example of Application:What is the approximate velocity of Earth’s
rotation?
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About how many miles will the Earth travel in its
orbit in one day?
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7. What causes seasons on Earth?
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8. Describe “perihelion” and “aphelion.”
Perihelion: (
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Aphelion:
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9. What are the equinox dates?
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What are the solstice dates?
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Example of Application:How far would the Earth have to be tilted on its
axis for the direct rays of the Sun at noon to shine
on Houston, Texas (300 N, 950 W)?
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10. How many distinct Earth layers are recognized by geographers?
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11. What is the composition of the Asthenosphere?
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12. Why do you suppose the outer core is liquid while the hotter inner core is solid?
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13. Propose a theory as to why the core of the Earth is iron and nickel while the crust is largely made up of silicon, aluminum, magnesium, and oxygen?
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14. If the average temperature at sea level increases 1 degree per sixty feet of depth through the lithosphere, what would the temperature be if one descended the length of a football field from a position where the temperature was 79 degrees?
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15. Fill in the blanks to describe the size and shape of the Earth.
Equatorial circumference______
Polar circumference______
Equatorial diameter______
Polar diameter______
Shape______
Example of Application:If someone traveled in a straight arc from the equator to the North Pole, how many miles have they traveled?
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What is the distance in miles of 1 degree of equatorial circumference?
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If you started at the North Pole and traveled
straight down through the Earth, but stopped at
the center of the Earth, about how far have you
traveled?
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16. List the layers of the Earth, their approximate thickness, and their composition.
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LayerThicknessComposition
17.What force causes continental drift, and who first proposed this theory?
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18.Where do most earthquakes and volcanoes occur?
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19.Describe subduction.
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20.According to the map on page 47 of your text, what can you predict about the
Atlantic Ocean over the next 20 million years?
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21.Match
_____AccretionA. Bends in the layers of rocks of the Earth
_____FaultB. The force that formed the Andes Mountains
_____FoldC. Extends a continent into the Ocean
_____SpreadingD. Cracks in the Earth’s crust
_____SubductionE. Plates pushed apart
22.What are Wegener’s two super-continents called?
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23.What makes Earth unique among the known planets?
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24.List the hypothesized age of the following:
Universe______
Galaxy______
Earth______
25.Label the 6 (physical) continents and 4 oceans.