Landforms
How long did erosion take to form the Grand Canyon?
millions of years
Would desert sand dunes be eroded by wind or water?
wind
The word plant means the same thing as
vegetation
An easily seen and well known feature, either natural or manmade
landmark
What type of rocks are made from lava?
igneous
Is a waterfall eating away at the rock under it erosion?
yes or no
yes
Would a mountain valley with a water stream be eroded by wind or water?
water
What is the deepest canyon on land in the world?
Yarlung Tsangpo Canyon
A mass of snow, ice, and rocks moving quickly down a mountain is
an avalanche
This type of rock is made from heat and pressure
Metamorphic
Is a person picking up and moving a whole rock in the forest erosion? yes or no
no
Would a farmers field in a rainy season be eroded by wind or water?
water most likely
Name of the biggest canyon in the USA?
The Grand Canyon
A type of erosion that happens very quickly and has downward movement
mass wasting
This type of rock is made from sediments
sedimentary
Quick downward movement of rocks, soil, and vegetation is
mass wasting erosion
An icy glacier digging out a spot for a lake as it slides is considered erosion or weathering?
erosion
This is the process of breaking down materials like rock and soil
erosion
Transport means to
To move from one place to another
Name one thing that is made from rocks
pencil lead
granite counters
(answers vary)
mass wasting erosion happens very quickly
If a canyon has been eroded by a river and it is deep and wide, what do you think will happen over time to the canyon?
It will become deeper/wider due to erosion.
A feature of land, e.g., a mountain or cliff
landform
Breaking down into sediments is
weathering
What happens to rocks that are in a river for a long time?
They become smooth and round