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Convergent boundary
Two plates move towards each other
Physical weathering
Rocks broken down into smaller pieces without changing any chemical composition
Transform Boundary
Two plates slide pas each other in opposite directions.
Two plates move away from each other.
Chemical weathering
Chemical composition of rocks changes
Describe sedimentation.
Deposition of suspended particles
Evidence that supports the theory of plate tectonics.
-Jigsaw fit of continents like a puzzle
- Distribution of fossils and living organisms
-magnetic stripes
-Geological matching of rock formation
Ocean trench
Deep valley in the ocean floor. Forms along a subduction zone.
Explain the formation of a neap tide.
When the sun, earth, and moon form a 90 degrees angle.
How do earthquakes occur
There will be a sudden release of energy in the Earth's crust creating seismic waves.
What is weathering?
Biotic
Living part of ecosystem
Why is the global conveyor belt important.
It brings nutrients throughout the ocean.
Describe erosion
Describe La Nina
Opposite wind patterns. Stronger than average trade winds off of the coast of Peru, allows foe cold water to rise which will result in more nutrients.
Example of ice erosion
Glaciers sliding down a mountain and carrying sediments along with it depositing them anywhere.
Abiotic
Non living part of an ecosystem
What are the types of ocean currents (two answers)?
Surface currents and deep-water currents.
Alignment of the Earth, Moon, and Sun. The wind, air, and pressure
Describe upwelling.
Movement of deep, cold, and nutrient rich water back up to the surface.
Example of gravity erosion
A cliff falling down.
Describe El Nino
Prevailing trade winds that normally blow from east to west stop flowing. Prevents warm water and moist air from moving west. Warm water builds up in the coast of South America.
What is the global conveyor belt
A constantly moving system of deep-ocean circulation driven by temperature and salinity.
Explain the formation of a spring tide
Occurs when the sun, earth and moon are in a straight alignment. Gravitational pull is observed and creates high tides.
What is the Coriolis effect?
The rotation of the earth causes winds to deflect to the right in Northern Hemisphere and to the left in Southern Hemisphere. Causes of deflection are due to the wind.