THE SOLAR SYSTEM
IS THE SUN THE CENTER OF THE UNIVERSE? NO, BUT THE SUN IS THE CENTER OF OUR SOLAR SYSTEM. “SOL” MEANS SUN IN LATIN. JOVIEDO 2008-09
WHAT ARE THOSE DARK AREAS ON THE SUN? SUNSPOTS – MAGNETIC REGIONS WITH LOWER TEMPERATURES THAN THE REST OF THE SUN’S SURFACE
WHAT OBJECTS REVOLVE AROUND THE SUN? PLANETS, ASTERIODS, & COMETS
WHAT FORCE ENABLES PLANETS TO ORBIT THE SUN? GRAVITY – THE ATTRACTIVE FORCE BETWEEN ALL OBJECTS THAT POSSESS MASS.
THE PATH A PLANET FOLLOWS AS IT REVOLVES AROUND THE SUN IS CALLED? ORBIT
HOW LONG DOES IT TAKE THE EARTH TO REVOLVE (go around) THE SUN? 1 REVOLUTION = 1 YEAR
HOW CAN YOU REMEMBER THE ORDER OF THE PLANETS? MY VERY EXCITED MOTHER JUST SERVED US NACHOS.
WHAT ARE THE OUTER PLANETS?
NAME THE INNER PLANETS
A ring of thousands of large rocks between Mars and Jupiter ASTERIOD BELT
ONE ROTATION = 1 DAY = 24 HOURS WHEN THE EARTH ROTATES (SPINS) ON ITS AXIS, THIS IS REFERRED TO AS WHAT? ONE ROTATION = 1 DAY = 24 HOURS
ONE ROTATION = 1 DAY = 24 HOURS
BECAUSE THE EARTH REVOLVES AROUND THE SUN WITH A TILTED AXIS. WHY DO WE HAVE SEASONS? BECAUSE THE EARTH REVOLVES AROUND THE SUN WITH A TILTED AXIS.
SEASONS
DIRECT LIGHT RAYS, HIGH TEMPERATURES; SEASON? SUMMER: NORTHERN HEMISPHERE TILTED TOWARD THE SUN
INDIRECT RAYS OF LIGHT, COLDER TEMPERATURES; WHAT SEASON? WINTER; OUR HEMISPHERE IS TILTED AWAY FROM THE SUN
HOW LONG DOES IT TAKE THE MOON TO ORBIT THE EARTH? APPROXIMATELY 29 DAYS; THE SAME AMOUNT OF TIME IT TAKES TO ROTATE ONCE ON ITS AXIS
DOES THE MOON CHANGE SHAPE? NO, SUNLIGHT REFLECTED OFF THE MOON & ITS POSITION AROUND THE EARTH DETERMINES ITS SHAPE / APPEARANCE.
THE GRAVITATIONAL FORCE OF WHICH EARTH NEIGHBOR CAUSES OCEAN TIDES? MOON