To determine the type of landforms shown in the sketches A, B, C, D, E, F, and G, we need to analyze the contour lines in each sketch. Contour lines on a topographic map represent elevation changes, and their patterns can indicate different landforms. Here's the analysis for each sketch:
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Sketch A
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Description: The contour lines form a closed loop with higher elevations in the center and lower elevations toward the edges.
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Interpretation: This pattern indicates a hill or mountain.
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Landform:
Hill/Mountain
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Sketch B
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Description: The contour lines are closely spaced near the left side and gradually spread out as they move to the right. The elevation increases from left to right.
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Interpretation: This pattern shows a steep slope on one side (left) and a gentle slope on the other side (right), which is characteristic of a ridge.
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Landform:
Ridge
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Sketch C
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Description: The contour lines are closely spaced near the left side and gradually spread out as they move to the right. However, the overall shape is more elongated compared to Sketch B.
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Interpretation: This pattern also shows a steep slope on one side and a gentle slope on the other side but is more linear, indicating a long, narrow elevation.
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Landform:
Valley
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Sketch D
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Description: The contour lines are evenly spaced and parallel to each other.
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Interpretation: Evenly spaced and parallel contour lines indicate a uniform slope, which is characteristic of a plain or plateau.
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Landform:
Plain/Plateau
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Sketch E
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Description: The contour lines form concentric circles with higher elevations in the center and lower elevations toward the edges.
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Interpretation: This pattern is similar to Sketch A but with more detailed contour lines, indicating a prominent peak.
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Landform:
Mountain/Peak
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Sketch F
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Description: The contour lines are evenly spaced and parallel to each other.
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Interpretation: Similar to Sketch D, this pattern indicates a uniform slope, which is characteristic of a plain or plateau.
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Landform:
Plain/Plateau
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Sketch G
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Description: The contour lines are closely spaced near the left side and gradually spread out as they move to the right. There is a sharp change in direction at the bottom left.
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Interpretation: This pattern shows a steep slope on one side and a gentle slope on the other side, with a sharp change in direction, indicating a valley or a ravine.
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Landform:
Valley/Ravine
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Summary of Landforms
1.
A: Hill/Mountain
2.
B: Ridge
3.
C: Valley
4.
D: Plain/Plateau
5.
E: Mountain/Peak
6.
F: Plain/Plateau
7.
G: Valley/Ravine
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Final Answer
\[
\boxed{
\text{A: Hill/Mountain, B: Ridge, C: Valley, D: Plain/Plateau, E: Mountain/Peak, F: Plain/Plateau, G: Valley/Ravine}
}
\]
Parent Tip: Review the logic above to help your child master the concept of contour lines worksheet.
