4.6
4.7
5.1
5.2
5.3
100

last seismic waves to arrive and cause severe ground movement

what are surface waves

100

breakdown of rocks physically or chemically

what is weathering

100

only about 1% of earth's water is this that we can easily use

what is fresh water

100

the top of the saturation zone in the ground where the ground is full of ground water

what is a water table
100

how many gallons of water does it take to make one piece of bread

what is 10-20 gallons

200

scientists who are locating epicenters

what are geologists

200

weathering caused by plants, animals, fungi, bacteria, and lichens

what is biological weathering

200

where most of Earth's freshwater is stored

what is glaciers and ice caps

200

includes rain, snow, hail and not condensation

what is precipitation

200

humans ca survive how many days without water

what are 3 days

300

magnitude based on seismic waves is measured on this

what is the richter scale

300

these are human activities that increase weathering

what are roads, quarries, mining, and agriculture

300

where ground water is stored and is underground rock layers that hold water

what is an aquifer

300

how humans mostly impact the water cycle by carrying chemicals into rivers

what is runoff

300

refers to long term changes in Earth's climate, not daily weather

what is climate change

400

earthquake scale based on the damages to the specific place

what is the Mercalli scale

400

the combined processes of weathering and erosion create this

what is denudation. 

400

when liquid water changes into vapor gas

what is evaporation

400

how many gallons of water americans use per day on averages

what is 100

400

about how many degrees celsius the Earth has warmed since the Industrial Revolution

what is 1 degrees C

500

moving sediments once they are broken down

what is erosion

500

laying down of sediment in a new place

what is deposition

500

when plants release water vapor into the air

what is transpiration

500

how many gallons people in sub-saharan Africa use per day

what is 2-5

500

is a major greenhouse gas

what is carbon dioxide