Landforms
Earth's surface is always changing...True/False
TRUE
What is the difference between magma and lava
Magma-Below ground Lava-Above ground
Process of breaking down rock, sand and soil into tiny pieces called sediment
Weathering
If you have a hill that you don't want washed away, what could you do to avoid erosion?
Plant trees on the hill
large puzzle pieces that cover the Earth's surface
plates
The Colorado River created what land form
Grand Canyon
What type of plate boundary rubs together in a side to side motion causing Earth quakes
transform boundary
The downhill movement of rock and soil which includes landslides, mudslides, slumps and creep
Mass movement
What are two things that humans do that causes erosion?
cut down too many trees and build too many roads
supercontinent that held all of the Earth's land 225 million years ago
Pangea
What is the most common cause of physical weathering?
Water/ice
What plate boundary created the Himalayas Mountain chain?
Convergent
physical features of the Earth's surface
landforms
True or False: Glaciers can cause Erosion
TRUE
impressions in sedimentary rock that show what animals and plants live years ago.
fossils
Changes to the Earth's surface can happen
a. Slowly
b. Quickly
c. Both Slowly and Quickly
c. Both slowly and quickly
What type pf plate boundary pulls plates apart causing rifts or volcanoes?
divergent
Breaking of larger rocks into smaller particles of that same rock by freezing water and splitting it when it becomes ice
physical weathering
Name 4 agents that cause erosion
Gravity, ice, Water, wind
How do we know that Earth's surface has changed over millions of years
the same fossils of plants and animals were found in Africa and South America proving they were once connected.
fossils of sea creatures were found on the tops of mountains proving mountains were once underwater
Australia is moving north and the Atlantic Ocean is spreading
Name two examples of terminal moraines - small hilly land caused by glaciers
Cape Cod and Long Island
A fracture in the surface of the Earth
San Andreas in California is an example of one.
fault line
Breakdown of rock's composition by acid rain or different substances
chemical weathering
What is the difference between weathering and erosion?
weathering breaks the rock into sediment and erosion carries the sediment to a new place
Why are fossils found in sedimentary rock?
They are preserved (saved) the layers of sedimentary rock.