Section #: 2.3
Remote Sensing
Practice Test
1.
How many satellites are in the GPS?
a.
24
b.
6
c.
50
d.
4
Hint
2.
Which method uses sound waves for remote sensing?
a.
GPS
b.
sonar
c.
Landsat satellite
d.
Topex/Poseison satellite
Hint
3.
How does a Landsat satellite differentiate between objects on Earth's surface?
a.
Landsat measures the longest frequencies of electromagnetic radiation from Earth.
b.
Landsat satellites take pictures using visible light.
c.
Landsat uses a single detector to measure the intensities of energy.
d.
Features on Earth radiate warmth at different frequencies, which show up as different colors on Landsat images.
Hint
4.
What is the electromagnetic spectrum?
a.
energy emitted from Earth
b.
visible light
c.
the arrangement of electromagnetic radiation
d.
frequencies measured by satellites
Hint
5.
The process of collecting data far above Earth's surface is called __________.
a.
topographic studies
b.
electromagnetic sensing
c.
remote sensing
d.
mapmaking
Hint
6.
What does GPS stand for?
a.
Geodial Position Satellite
b.
Global Positioning System
c.
Global Potential Satellite
d.
Geographic Positioning System
Hint
7.
How does the satellite Topex/Poseidon map ocean features?
a.
radar
b.
ultraviolet rays
c.
X rays
d.
visible light
Hint
