3.2 Review

Which organization mapped the entire United States?

• United States Geological Survey (USGS)
• National Aeronautics and Space Administration (NASA)
• American Museum of Natural History
• Congress

When did the USGS create its first map?

• 1879
• 2300 B.C.
• 20th century
• 1940s

What was the main method of mapping used until the 1940s?

• Aerial photography
• Satellite technology
• Plane-table surveying
• GPS surveys

How did aerial photography contribute to more accurate maps?

• By using GPS technology
• By capturing images from airplanes
• By combining information from surveys
• By copying land contours

What was one benefit of using radar technology over aerial photography?

• Radars were cheaper than photography
• Radars could be used in any weather
• Radars were really light compared to the the photography technology
• Radars were able to show 3D images in natural colors

Why are false-color images more useful in mapmaking?

• They reflect true-to-life colors.
• They make perceiving wavelengths easier.
• They provide high-resolution images.
• They show changes in Earth's processes.

Which satellite provides precise measurements of Earth's processes?

• Earth Observing System (EOS)
• Landsat Satellite
• NASA Satellite
• American Museum of Natural History Satellite

What does GPS Stand for?

• Global Positioning System
• Great Place Searcher
• Global Positioning Satellite
• Good Planning Service

What are the three segments that GPS consists of?

• Users
• Control
• Space
• Receivers

How many GPS satellites are in view from any part of the world at any given time?

• 1 to 4
• 5 to 8
• 9 to 12
• 13 to 16