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science exams2016

bellaire 8th grade end of semester science test

water comes from precipitation
space between particles pores
materials that allow water to easily pass through permeble
materials that water can NOT easily pass through impermeble
area where water is thoroughly filled satured zone
top of the saturated area is the water table
any underground layer of rock or sediment that holds water is called an aquifers
ground water may _________ slowly through the layers underground permate
two types of wells 1.drilling 1.digging by hand
two types of artesian wells 1.presure 2.between 2 impermable layers
two types of springs 1.where groundwater bubbled or flows out of cracks i the rock 2. yellowstone is a heated spring
geyser 1. a type of spring where water bursts peroticly 2.narrow opening in rock
what gasses make up our atmosphere Nitrogen 78.084%,Oxygen 20.946% Argon 0.934%
Created by: 100002867120219