Disenado para el 6to grado como parte del curriculo de Ciencias del estado de Nueva York. Estudio de biomas del mundo.

2.  Our planet have different deserts.
 The temperature of the desert fluctuates
between 30 degrees Fahrenheit, at night and
130 degrees during the daylight.
 The lack of vegetation makes the heat to
evaporate faster at night.
 During the day the sunlight heats everything.
 Usually the desert is very low in humidity.

3. Deserts cover more than one fifth of
the Earth's land, and they are found
on every continent. Deserts can be
classified as "hot" or "cold". Deserts
receive less than 10 inches of
precipitation a year. Lack of water
creates a survival problem for all
desert organisms, animals, plants
and people.

5. Arroyo: A dry desert gully.
Bajada: A broad, sloping depositional deposit caused by the
coalescing of alluvial fans.
Blowout: A depression in the land surface caused by wind
erosion.
Butte: A narrow flat-topped hill of resistant rock with very
steep sides. Probably formerly a mesa.
Cenozoic Era: 0 to 65 million years ago includes the
Quaternary and Tertiary Periods.
Desert: Receiving less than 10 inches of precipitation
annually.
Desert Pavement: A thin, surface layer of closely packed
pebbles.
Desert Varnish: A hard, dark, shiny coating on rocks caused
by chemical action.

12.  La gran parte de Arizona tiene clima seco.
Estas regiones reciben menos de 40 centimetros
de lluvia al año.