Show:
Weathering
Erosion
Deposition
Infiltration
Miscellaneous
100
What is Weathering?
The break down of rocks and minerals
100
What is Erosion?
The movement of sediments
100
What is Deposition?
The dropping of sediments
100
What is Infiltration?
Water seeping in the ground/soil
100
In out universe, we are heliocentric, or geocentric??
Heliocentric
200
define: frost action
When water seeps into cracks and it freezes, causing the water to expand and the crack becomes bigger
200
What does gravity cause?
Mass movement
200
What is saturation?
to be full of water
200
as particle size gets bigger, infiltration.... (increases/decreases)
increases
200
if you are at 67 degrees latitude, what angle do you look to find Polaris?
67
300
Physical weathering changes what?
Physical appearance
300
is the velocity in a stream the fastest or slowest on the inside of the stream?
Slowest
300
rocks are flowing down a river. Which type will go down faster? (round or flat)
Round
300
OOOO ooooo OOOO ooooo OOOO ooooo OOOO ooooo which has more infiltration?
left side(its bigger)
300
When did the dinosaurs become extinct?
65 million years ago
400
What is the difference b/w chemical and physical weathering?
chemical- changes chemical composition physical- changes appearance of the rock
400
Glaciers are an agent of erosion, what is 1 sediment feature?
Striations
400
What is graded bedding?
Sediments lined up big to small at the end of a stream or in a pile. Sorted by size
400
What happens when infiltration can no longer occur due to an excessive water amount
flooding
400
What is proof of Pangea?
all the continents fit like a puzzle, artifacts on different continents, etc.
500
a piece of paper is lit on fire. What type of weathering is that?
Chemical
500
Name the 6 types of erosion
Gravity, wind, glacier, running water, waves, and currents
500
in a stream, higher density rocks will move down...
faster
500
What is an example of something that can show infiltration (an object as an example of some-sort)
sponge, etc.
500
what is it called when a solid turns into a gas?
sublimation;)