Weathered sediment moving from one place to another place
What is erosion?
100
Who does the 7th grade play in basketball tonight?
Who is Windthorst?
100
Surface water which has not yet flowed into a lake, stream, or reservoir
What is runoff?
100
Instrument used to measure mass more precisely
What is a triple beam balance?
100
Introduction of a contaminant into the environment
What is pollution?
200
Area of land where all the surface water in a particular area drains and flows to one place
What is a watershed?
200
Upper surface of underground water, below it the soil/rocks are permanently saturated with water
What is the water table?
200
Name 2 ways of the we listed that human activity contribute to pollution of ground water
improper human and animal waste disposal; acid rain; dumping of chemicals; dumps with improper drainage; run off of fertilizers and pesticides from farming
200
Refers to water freezing in the cracks along rocks and then expanding to break down rock
What is ice wedging?
200
Refers to the amount and size of spaces within rock/soil
What is porosity?
300
This event is caused by underwater earthquake or volcanic eruption
What is a tsunami?
300
Precipitation that mixes with dissolved carbon dioxide in the atmosphere
What is acid rain?
300
large area that tends to have the same climate, similar plant and animal species
What is an ecoregion?
300
Measure of the ability of rock/soil to let water pass through it
What is permeability?
300
Loss of water vapor from plants
What is transpiration?
400
Break down of rock into sediment that causes no chemical change of rock
What is mechanical weathering?
400
This event may destroy vegetation; throw dust and ash into atmosphere; kill animals/people
What is volcanic eruption
400
Weathering process that occurs when metallic minerals are exposed to oxygen and water over time
What is oxidation?
400
These 2 catastrophic events may have beneficial effects to an ecosystem over time.
What are volcanoes and wildfires?
400
natural underground area where large quantities of water fill the spaces between rock and sediment
What is an aquifer?
500
Sediment particles "fall out" of the medium that was transporting them
What is deposition?
500
Downward movement of water from land surface into soil or porous rock caused mostly by gravity
What is percolation?
500
The 4 main agents of erosion
What is wind, water, ice, gravity
500
This event may cause famine for both animals and people due to lack of water for crops and vegetation