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1、 OUR SOLAR SYSTEM MERCURY VENUSEARTHMARSJUPITERSATURNURANUSNEPTUNEPLUTOJupiterVenusNeptuneSaturnPlutoUranusMarsMercuryEarthDIAMETERlarge larger largestsmall smaller smallest J u p i t e r 1 4 2 , 5 0 0 k m Ve n u s 1 2 , 1 0 0 k mN e p t u n e 5 0 , 0 0 0 k m S a t u r n 1 2 0 , 0 0 0 k m E a r t h

2、1 2 , 7 4 2 k m P l u t o 2 , 3 9 0 k m U r a n u s 5 2 , 0 0 0 k mM a r s 6 , 7 9 0 k mM e r c u r y 4 , 8 7 0 k mWhich is the planet? Why?_ is the planet because it has the _(longest, shortest) diameter.APPROXIMATE DISTANCE FROM THE SUN far farther farthest (from)close closer closest(to)Which is t

3、he planet from/to the Sun? Why?_ is the planet because it is the from/to .Jupiter 780,420,000 kmVenus 107,500,000 kmNeptune 4,486,000,000 kmSaturn 1,431,000,000 kmEarth 150,000,000 kmPluto 5,930,000,000 kmUranus 2,877,000,000 kmMars 227,800,000 kmMercury 58,000,000 kmcold colder coldest hot hotter h

4、ottestTIMESPINS AROUND THE SUNJupiter 11.9 Earth yearsVenus 225 Earth daysNeptune 165 Earth yearsSaturn 21.1 Earth yearsEarth 365.25 Earth daysPluto 248 Earth yearsUr a n u s 8 4 E a r t h y e a r sM a r s 6 8 7 E a r t h d a y sM e r c u r y 8 8 E a r t h d a y s short shorter shortest long longer

5、longest Which planet takes the time to spin around the Sun? How long does it take?1.Which is the smallest planet? Why?2.Which is the largest planet? Why?3.Which is the closest planet to the Sun?4.Which is the farthest planet from the Sun?5.Which is the hottest planet? Why?Pluto. Because it has the s

6、hortest diameter.Jupiter. Because it has the longest diameter.Mercury. Mercury. Because it is the closest planet to the Sun.Pluto. 6.Which is the coldest planet? Why?7.How long does it take the Earth to spin around the Sun?8.Which planet takes the longest time to spin around the Sun? How long does i

7、t take?9.Which planet takes the shortest time to spin around the Sun? How long does it take?Pluto. Because it is the farthest planet from the Sun.It takes the Earth 365.25 Earth days.Pluto takes the longest time. It takes 248 Earth years.Mercury takes the shortest time. It takes 88 Earth days.EXERCI

8、SE.1.SHE IS THE _ (OLD) OF THE THREE SISTERS.2.KALLY IS THE _ (THIN) MODAL IN THE TEAM.3. THEIR HOUSE IS _ (SMALL) THAN OURS.4.THIS IS ONE OF THE _(BEAUTIFUL) PARKS IN CHONGQING.5.WHICH IS _ (BIG) , THE MOON OR THE EARTH?6.MY PENCIL BOX IS AS _ (NEW) AS YOURS.7.OF ALL THE STARS,THE SUN IS THE _ (CLOSE) TO THE EARTH.8.WINTER IS THE _ (COLD) SEASON OF A YEAR.9.LESSON THREE IS _ (DIFFICULT) THAN LESSON ONE.10.THE ELEPHANT IS THE _ (STRONG) OF ALL THE ANIMALS.oldestthinnestsmallerstrongestnewmost beautifulbigger closestmore difficultcoldest