Water Unit Question Preview (ID: 18285)


Water Unit Review (fresh Water And Oceans). TEACHERS: click here for quick copy question ID numbers.

Approximately what percentage of Earth’s water is salt water?
a) 97%
b) 70%
c) 30%
d) 3%

Most of Earth’s fresh water is in the form of _____.
a) groundwater
b) oceans
c) ice
d) rivers and streams

The energy for the water cycle originally comes from the _____.
a) ground
b) sun
c) water
d) wind

Water that fills the cracks and spaces in underground soil and rock layers is called __.
a) groundwater
b) rainwater
c) salt water
d) water vapor

Water that falls to Earth as rain, snow, sleet, or hail is called ____.
a) transpiration
b) precipitation
c) evaporation
d) condensation

Clouds form when water vapor in the atmosphere ______ into water droplets.
a) evaporates
b) condenses
c) precipitates
d) transpires

The top of the saturated zone is called the _____.
a) granite
b) impermeable
c) water table
d) depends

An aquifer is a(n) ____.
a) underground layer of rock or sediment that holds water
b) well in which water rises because of pressure
c) type of hot spring from which the water periodically erupts
d) place where groundwater bubbles or flows out of cracks in the rock

Salinity is a measure of which of the following in water?
a) sand
b) dissolved salt
c) carbon dioxide
d) oxygen

As you descend through the water column (go deeper down in the ocean), ___.
a) density decreases
b) light increases
c) pressure decreases
d) temperature decreases

A large stream of moving water that flows through the oceans is called a(n) ___.
a) tide
b) tsunami
c) current
d) undertow

Which of the following is true of El Niño?
a) El Niño occurs at the same time as La Niña.
b) El Niño affects only the ocean, not the land.
c) El Niño can cause unusual and often severe weather conditions.
d) El Niño usually occurs twice a year.

What causes cold, deep currents to form in the oceans near the poles?
a) sinking of cold, freshwater from melting icebergs
b) movement of a large mass of warm water across the Pacific
c) the Coriolis force
d) sinking of dense, cold water with high salinity

Which describes materials that have large connected pores, such as sand and gravel?
a) impermeable
b) unsaturated
c) permeable
d) saturated

By knowing the water table depth, you know how deep to dig to reach which of the following?
a) pores
b) groundwater
c) springs
d) granite

Deep currents are caused by differences in the _______________________ of ocean water.
a) density
b) climate
c) sea life
d) color

A large, powerful warm surface current in the Atlantic Ocean that affects the climate of land in its path is the ___.
a) La Nina
b) El Nino
c) Gulf Stream
d) geyser

Water given off through the leaves as water vapor.
a) precipitation
b) transpiration
c) condensation
d) evaporation

Process where liquid changes to a gas.
a) precipitation
b) condensation
c) evaporation
d) transpiration

Process where a gas changes to a liquid.
a) condensation
b) transpiration
c) evaporation
d) precipitation

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