Erosion/Deposition-Water
_____ is the process by which sediment and other materials are moved from one place to another.
Erosion
The grinding and wearing down of rock surfaces by other rock or by sand particles is called ______
Abrasion
Index lines are thicker lines that often have the elevation labeled.
What is the difference between aerial images and satellite images?
Aerial images are taken from aircraft such as airplanes and helicopters. Satellite images are taken from space.
T or F: Beaches can only be made up of sand
False! Beaches can be made up of a variety of materials such as sand, rock, dead coral, and shells.
T or F: Loess contains very poor soil for growing crops.
False! Loess is very rich in minerals: great for growing crops!
If the scale on a map reads 1:100,000, what does this mean?
(1 cm on the map = ???)
1 cm on the map = 100,000 cm on Earth's surface
What is an everyday use of GPS?
Navigation apps such as Google Maps and Waze, navigation built into cars, location apps like Find My Friends.
How is a floodplain formed?
A stream overflows and deposits sediment.
What condition is most likely to trigger a mudslide?
a. ice
b. rain
c. wind
d. temperature
Rain
What does relief mean on a topographic map?
The difference between the highest and lowest elevations.
What does GIS stand for?
Geographic information system
Which landform is mainly formed by groundwater?
a. a broad valley
b. a narrow canyon
c. a human-made channel
d. an underground cavern
Which type of sediment will be dropped first as the wind slows?
a. the biggest
b. the lightest
c. the smallest
d. the heaviest
The heaviest sediment will be dropped first.
How can you tell if the slope is steep or gentle on a topographic map?
Lines close together = steep slope
Lines far apart = gentle slope
What type of information collected from a satellite would be most beneficial to a meteorologist making a weather forecast in a given area?
a. visualization of elevation changes
b. type of vegetation present
c. shape and height of clouds
d. shape of the sea floor
c. shape and height of clouds.
What is the difference between a delta and an alluvial fan?
A delta forms when a stream empties into a body of water and an alluvial fan forms on dry land.
Name an example of a slow mass movement and an example of rapid mass movement.
Slow: creep
Rapid: rockfall, landslide, mudflow
What is the contour interval of this image?
100 ft
GIS enables users to combine map and image layers. If a biologist were interested in the relationship between the slope of the land and the type of vegetation, which layers would be most helpful?
a. aerial image and topographic map
b. aerial image and satellite image
c. geologic map and topographic map
d. political map and topographic map
a. aerial image and topographic map