Show:
Category #1
Category #2
Category #3
Category #4
Category #5
100
The oceans cover about what percentage of Earth?
75 percent
100
What is the top level of groundwater in an aquifer called?
water table
100
Frozen raindrops falling from clouds are called
sleet
100
Sometimes, water vapor on a surface may freeze without first becoming liquid water. What forms when this occurs?
Frost
100
What carries warm water toward the poles?
currents
200
Water that fills spaces between particles of rock and soil is
groundwater
200
Dew forms during which part of the water cycle?
condensation
200
When air moves upward to areas of less air pressure, what often forms?
clouds
200
Which best describes rivers, streams, and lakes?
surface freshwater
200
How does an iceberg form?
An iceberg forms when a large piece of ice breaks off a glacier or ice sheet.
300
A liter of cold water with high salinity _________ than a liter of warm water with low salinity.
is heavier
300
Name a process that does not involve water vapor.
Groundwater flows into the ocean.
300
In the summer sky many clouds are made of _________.
ice crystals
300
What type of cloud is found at mid-altitude and looks like small puffy white balls?
Cumulus clouds
300
How are evaporation and sublimation alike?
During both water vapor is formed.
400
Name the first stage of the water cycle.
Evaporation
400
Name the second stage of the water cycle.
condensation
400
Name the third stage of the water cycle.
precipitation
400
Name the final stage of the water cycle.
run off
400
What is the name of a cloud that is vertical and are often the sign of a storm?
Thunderheads
500
What happens during evaporation?
Liquid water turns into water vapor.
500
What occurs during sublimation?
ice turns directly into water vapor, without turning into liquid first.
500
Which process is slower, sublimation or evaporation?
sublimation
500
Describe how Cirrus clouds look and at what altitude they are found.
Cirrus clouds are thin, whispy, and white. They are found at high altitudes.
500
Describe what stratus clouds look like and at what altitudes they are found.
They are dark and cover the whole sky. They are found at low altitudes.