Weathering
What is weathering?
The breaking apart of rocks and earth
What causes a dead zone?
Too much nutrients
What causes dead zones in the water?
fertilizer
What are the three places we are choosing from to build a school?
hillside, cliff, wetlands
what does erosion remove from an area?
sediments
What is frozen water called?
ice
What surface does physical weathering damage during winters in Wisconsin?
Concrete - pavement - roads - sidewalks.
What is missing from a dead zone?
oxygen
What is in the fertilizer that causes dead zones?
nitrogen
What happened to the bugs and fish when Jayden and his grandmother went fishing in the river?
there weren't as many of them.
What is it called when water slows down and drops off sediments to the ground?
deposition
When water turns from liquid to gas
evaporation
Name three of the four forces/agents that can break down rock.
wind, water, ice, and gravity
Where are dead zones usually located?
By a River Delta - where the river empties into a new body of water, like the Gulf of Mexico.
What was harmed in Boomtown from pollution in the river?
(We did a lab about it)
Bugs
What do we need to do to build in a wetland?
Drain it and fill it in with dirt.
What did we use to try and stop erosion in our lab?
legos
when water moves through a plant and out through tiny pores in its leaves
transpiration
what are some ways people speed up erosion?
farming, animal grazing, mining, building. Removing vegetation and forests.
What river causes the biggest dead zone in the United States?
Mississippi River
What is the main contribution to fertilizer in the water?
farming and lawn care.
What is it called when particles are mixed into water or another liquid?
Dissolving.
What are canyons caused by?
erosion from flowing water/ glaciers
when water vapor cools and turns into a liquid
condensation
What are ways to help stop erosion?
planting vegetation, building retaining walls and levees.
Where is there a dead zone in Wisconsin?
Green Bay in Lake Michigan
What is the polluted area called in the Pacific Ocean that is bigger than Texas?
Pacific Garbage Patch
What is precipitation
Rain, snow, and hail
How does erosion hurt farming?
It removes the topsoil.
when water droplets in cloud get heavy and fall to Earth.
precipitation
What is a constructive process?
when the earth is built up
the deposition of sediments builds up earth
What color did the water turn in our lab to show there was nitrogen present?
pink
what product did they burn in the desert in Chile?
clothing
what can happen to a cliff to make building there dangerous
erosion
what is deposition
when sediments drop to the ground
when water falls to the ground and soaks in
infiltration
what is a destructive process?
when earth is broken down or removed.
erosion is a destructive process.
What is the cause of the pollution on the Earth?
People
What animal was wiped out in England because people wanted hats?
Beavers
when snow or ice changes directly into water vapor without first becoming a liquid
sublimation
what causes deposition to take place?
slowing water
when water seeps deeper into tiny spaces within soil and rock
Percolation