Weathering & Erosion
Breakdown of rocks at the earth’s surface; the process of wearing or being worn by long exposure to the atmosphere, water or biological organisms such as plant roots, lichen or burrowing animals
What is weathering?
the two key processes that contribute to soil formation
total daily per capita (per person) use of fresh water
What is a water footprint?
The amount of land required to sustain the resource use of a natural resources
What is an ecological footprint?
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Who are the winners of the Superbowl?
water seeps into small cracks, freezes and expands, which enlarges cracks
What is frost wedging?
farming, grazing, construction, mining, and recreational activities
What are causes of soil erosion?
2.5-3%
What is the amount of freshwater on Earth?
Resources that are naturally replenished within the human lifetime and can’t be depleted if managed properly
What are renewable resources?
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Who are the winners of the 2020 NBA Championship?
breakdown of rocks and minerals by chemical reactions; chemical makeup is changed
What is chemical weathering?
parent material, climate, topography, organisms and time
What are the factors that determine soil properties?
this sector uses the majority of water (globally)
What is the agricultural sector?
The sphere of the Earth which is solid land/rock
What is the lithosphere/geosphere?
February 22, 2021
What is the first day back from vacation?
the physical removal (transport) of rock fragments from a landscape or ecosystem
What is erosion?
these organisms are the first to develop during soil formation
What are lichens and moss?
Living on Earth in a way that allows humans to use its resources without depriving future generations of those resources
What is sustainability?
March 20, 2021
What is the first day of spring?
the appearance of this famous monument in New York was changed due to chemical weathering
What is the Statue of Liberty?
500 years
What is the amount of time it takes for 1 centimeter of soil to form?
All the land that sheds water from rain and snowmelt into a specific stream, river or take is a
What is a watershed?
transformation of society from agriculture to manufacturing goods
What is industrialization?
the reason for our day off tomorrow
What is the Lunar New Year?