Atmosphere Study Guide Flashcards
(25 cards)
What can cause changes to the landscape?
Plants
Animals
Humans
Ice
Water
Wind
Gravity
Joey noticed a crack in the sidewalk.
Explain what may have caused this change to the landscape.
Explain how any of the following may have caused the crack:
Plants
Animals
Humans
Ice
Water
Wind
Gravity
What is abrasion?
The grinding together of rocks and sediment
What hardness does Granite have?
Hard
What hardness does pumice have?
Soft
What hardness does sandstone have?
Medium
Where in the world do glaciers form?
Places where the climate is cold all year, like Alaska, Antarctica
How does a glacier form?
Layers of snow build up over hundreds of thousands of years
How does a glacier form?
Layers of snow build up over hundreds of thousands of years
Define Moraine
Hill-like piles of unsorted rocks and sediment dropped by a glacier
Define Erratic.
A large rock dropped by a glacier far from where it originated
Define Erratic.
A large rock dropped by a glacier far from where it originated
Define Striations
Long scratches in rock caused by the movement of a glacier
Define Glacial Polish
Shiny appearance of rocks caused by the movement of a glacier
How does the slope of the of the land affect the speed of a river?
More slope/steeper = faster river
What are the four layers of the Earth (from outer to inner)?
Crust
Mantle
Outer Core
Inner Core
What are tectonic plates?
A large piece of the the Earth’s crust
What is continental drift?
The movement of the Eath’s tectonic plates over time
What occurs/forms at convergent plate boundaries?
Mountains
What occurs at divergent plate boundaries?
Mid-ocean ridges
What occurs/forms at transform plate boundaries?
Earthquakes
Where do earthquakes usually occur?
At or near plate boundaries
Say the order of oldest to newest layers (from bottom to top)
Lowest layer is oldest layer and youngest layer is the top layer
What is a marine fossil?
Remains of a marine animal in rock
