Water that tastes salty is called ___.
river
fresh water
salt water
lake
Under the surface of the earth is ___.
ground
underground
sky
river
Not clean is ___.
safe
ice
dirty
clean
Soft white ice that falls from the sky is ___.
ice
snow
cloud
rain
Water that is clean and not salty is ___.
salt water
fresh water
ice
dirty
The space above the earth is the ___.
underground
sky
cloud
ground
The surface of the earth is the ___.
sky
ground
cloud
river
Not dirty is ___.
clean
dirty
unsafe
safe
A long moving body of water is a ___.
ocean
lake
river
ground
White or gray shapes in the sky are ___.
sky
rain
cloud
snow
Dangerous or not safe is ___.
dirty
unsafe
clean
safe
Water that is very cold and hard is ___.
cloud
ice
snow
rain
To change from ice to water is to ___.
freeze
melt
clean
snow
Water that falls from clouds is called ___.
river
cloud
snow
rain
A very large body of salt water is the ___.
lake
ocean
sky
river
Not dangerous is ___.
unsafe
clean
dirty
safe
A large area of water surrounded by land is a ___.
river
cloud
lake
ocean