Volcanoes
When lava comes out of a volcano quickly
Erupt
When sediment is moved by wind, water, ice, or gravity
Erosion
The process of breaking rock into smaller pieces
Weathering
The students played Gaga Ball at recess.
played
The oldest layer in the canyon
The bottom layer
Magma that comes to the surface
Lava
When sediment settles on a surface
Deposition
When water freezes in a crack of a rock, expands, and breaks the rock
Ice Wedging
Students are wonderful.
are
One type of environment found in the canyon
Aquatic
Dry land
Type of volcano that erupts violently
Cone
These grind up rocks and scrape mountains down into valleys over long periods of time
Glaciers
When a plant grows in the crack of a rock and splits the rock over time
Root wedging
The two best friends were whispering at the movie.
were whispering
True or False: The environment in Colossal Canyon changed many times.
True
A dark rock formed from the lava of a shield volcano
Basalt
A kind of formation found in Utah and Wyoming that is caused by wind and water erosion that has an unusual shape
Hoodoos
When rocks bang, rub, and tumble against each other
When everyone left, Mrs. McFadden closed the door.
closed
The youngest layer in the canyon
The top layer
A light colored rock formed from the lava of a cone volcano
Felsite
A fan shaped formation created when sand is deposited at the mouth of a river
Delta
Ice wedging, root wedging, and abrasion
Three types of physical weathering
While the audiobook played, he stacked the wood.
stacked
Vocabulary word that describes how the layers in Colossal Canyon formed
Deposition