Category #1 Category #2 Category #3 Category #4 Category #5

100

75 percent
The oceans cover about what percentage of Earth?

100

water table
What is the top level of groundwater in an aquifer called?

100

sleet
Frozen raindrops falling from clouds are called

100

Frost
Sometimes, water vapor on a surface may freeze without first becoming liquid water. What forms when this occurs?

100

currents
What carries warm water toward the poles?

200

groundwater
Water that fills spaces between particles of rock and soil is

200

condensation
Dew forms during which part of the water cycle?

200

clouds
When air moves upward to areas of less air pressure, what often forms?

200

surface freshwater
Which best describes rivers, streams, and lakes?

200

An iceberg forms when a large piece of ice breaks off a glacier or ice sheet.
How does an iceberg form?

300

is heavier
A liter of cold water with high salinity _________ than a liter of warm water with low salinity.

300

Groundwater flows into the ocean.
Name a process that does not involve water vapor.

300

ice crystals
In the summer sky many clouds are made of _________.

300

Cumulus clouds
What type of cloud is found at mid-altitude and looks like small puffy white balls?

300

During both water vapor is formed.
How are evaporation and sublimation alike?

400

Evaporation
Name the first stage of the water cycle.

400

condensation
Name the second stage of the water cycle.

400

precipitation
Name the third stage of the water cycle.

400

run off
Name the final stage of the water cycle.

400

Thunderheads
What is the name of a cloud that is vertical and are often the sign of a storm?

500

Liquid water turns into water vapor.
What happens during evaporation?

500

ice turns directly into water vapor, without turning into liquid first.
What occurs during sublimation?

500

sublimation
Which process is slower, sublimation or evaporation?

500

Cirrus clouds are thin, whispy, and white. They are found at high altitudes.
Describe how Cirrus clouds look and at what altitude they are found.

500

They are dark and cover the whole sky. They are found at low altitudes.
Describe what stratus clouds look like and at what altitudes they are found.

Science Chapter 7-Water on Earth

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