Back to Lesson 3: ATMOSPHERE
RAIN
Drops of liquid water
SNOW
Snowflakes are
spongy ice crystals
HAIL
Hailstones are
balls of compact ice
Dew
:
drops of water that form on the ground and other surfaces outside during the night.
Frost
:
a white layer of needle-like pieces of ice which forms on objects outside when it is very cold.
Rain gauge
(or pluviometer) is
a device for measuring rainfall
.