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