A view of the earth

DIAMETER EQUATOR

12,756 KM

DIAMETER POLES

12,740 KM

SURFACE

30% LAND 70% WATER

ROTATION

23 HOURS 56 MINUTES

REVOLUTION

365 DAYS

HIGH SPOT

MT. EVEREST 8848 METERS ABOVE SEA LEVEL

LOWEST SPOT

MARIANA TRENCH PACIFIC OCEAN 11,033 BELOW SEA LEVEL

AVERAGE 3795 METERS BELOW

3 MAIN FEATURES OF EARTH

WATER

LAND

AIR

ESS

EARTH

SYSTEM

SCIENCE

LITHOSPHERE

ROCKS

ATMOSPHERE

AIR

HYDROSPHERE

WATER

BIOSPHERE

ANIMALS & PLANTS

HISTORY OF THE ATMOSPHERE

4 BILLION YEARS AGO

METHANE AMMONIA SOME WATER

3.8 MILLION YEARS AGO

SUNLIGHT

REACTION FORMED NITROGEN HYDROGEN CARBON DIOXIDE

OXYGEN

FORMED BY BLUE GREEN ALGEA

NITROGEN

OXYGEN

CARBON DIOXIDE WATER VAPOR ARGON

ENJOY THE HOMEWORK

DRAW & ID: NITROGEN CYCLE PG 185

CARBON DIOXIDE CYCLE PG 187

PROBLEM SOLVING PG 190

PRESENT TIME

LAYERS OF ATMOSPHERE

TROPOSPHERE

WHERE WE LIVE

WHERE WEATHER OCCURS

STRATOSPHERE

COLD -60 DEGREES

OZONE

MESPSPHERE

-100 DEGREES

METEORS BURN UP IN THIS AREA

THERMOSPHERE

HEAT SPHERE 2000 DEGREES PARTICLES

MOVING QUICKLY CREATE HEAT

ABSORB ULTRAVIOLET LIGHT

exosphere

Upper thermosphere

Artificial satellites in area

ionosphere

Lower thermosphere

Radio waves Bounced off of ions

magnetosphere

Area extending around atmosphere

Traps deadly radiation