Name _______________________
Hour _____ Date ____________
Reading Guide 1.3
1. What are the two Earth measurements used to describe location? (p. 11)
2. Provide coordinates for locations B – E on Figure 8. Use A as your format. (p. 11)
A. 30° North, 60° East
B.
D.
E.
C.
3. How does the global grid divide Earth? (p. 12)
The _________________ divides the Earth into North & South
hemispheres. The ________________ ________________
divides the Earth into East & West hemispheres.
4. What is one problem with globes? (p. 12)
5. When you take a curved surface (like the Earth) and map it on a flat sheet, what
occurs? (p. 12)
6. What is a Mercator Projection often used for? (p. 12)
7. Examine Figure 10. What areas on the map appear larger than they should? (p. 12)
8. Examine Figure 11. How do the shapes in the continents differ between these maps?
Are there any other differences? (p. 13) (Hint: How is the Mercator map different from
Robinson map?)
9. Why are conic projections best used for road maps? (p. 13)
Because ____________________ is great over small areas.
10. If distance is distorted on Gnomonic projections, why would sailors and pilots use
them to navigate? (p. 13)
They show with great accuracy the ____________________
distance between ____________________
_______________________.
11. Mercator maps have the least amount of distortion at the equator. What about
Gnomonic maps?
12. What do topographic maps show? (p. 14)
13. How would a hiker use a topographic map? (p. 14)
14. What is a contour line? (p. 14)
A line on a ____________________ map that indicates
elevation. Every point along a contour line has the same
elevation.
15. What is a contour interval? (p. 14)
It tells you the difference in _____________________
between two _________________ _______________________.
16. Examine the contour lines east of Turquoise Lake on Figure 15. How steep is the
slope here? How do you know? (p. 14)
17. Label what contour lines would look like to indicate a hill AND a depression. (p. 14)
18. Why is a scale necessary on a map? (p. 15)
It allows us to determine accurate ______________________.
19. Look at the scale on Figure 16. If the 1 stands for 1 centimeter on the map, how
many kilometers does the 24,000 represent on the ground? (p. 15)
20. Examine Figure 15. Using the bar scale provided, determine the distance along the
shoreline of Turquoise Lake from the gaging station on the west shore the to gaging
station on the south shore. Record your answer in kilometers. (p. 15)
21. What is remote sensing? (p. 16)
The process of collecting data about ____________________,
from a distance.
22. How might a scientist use the image shown in Figure 17? (p. 16)
23. How does GPS work? (p. 16)
It receives signals to compute the user's
____________________ and ____________________.
24. How can data from VLBI be used in mapmaking today? (p. 17)
Small movements allow scientists to learn about
____________________ ____________________ motions.