|
erosion
|
the process by which material from the earth's surface is worn away
by forces such as glaciers, wind, and waves. |
| gravity
|
the
force by which a planet or other such body tends to draw objects
toward its center. |
| hail
|
pellets
of frozen rain or a storm of such pellets. |
| hurricane |
a
powerful cyclonic storm that originates in the West Indian region
of the Atlantic Ocean and that has heavy rains and winds exceeding
seventy-three miles, or 119 kilometers, per hour. |
| lightning
|
natural
electricity produced in thunderstorm clouds and appearing as a bright
flash or streak of light in the sky. |
| precipitation
|
snow,
rain, or the like, or the amount of such matter to fall on a given
area in a given amount of time. |
| pressure
|
the applying of constant force upon a surface. |
| rain
|
water vapor in the atmosphere that condenses and falls from the
sky to earth. |
| snow
|
a
frozen form of precipitation that falls as ice crystals formed into
flakes. |
| thunderstorm
|
a
brief electrical storm usu. accompanied by heavy rain and high winds.
|
| tide
|
the
periodic change, occurring about every twelve hours, in the height
of the surface of oceans and bodies of water near or feeding into
them, caused by the gravitational pull of the moon and sun. |
| weather
|
the state of the atmosphere at a particular place and time as characterized
by sunshine, moisture, temperature, precipitation, and other variables.
|
