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     а   Let's read and find out science  The Sun: Our Nearest Star (Let's-Read-and-Find-Out Science, Stage 2)

  å:The Sun: Our Nearest Star (Let's-Read-and-Find-Out Science, Stage 2)
  :Franklyn M. Branley (Author), Edward Miller (Illustrator)
  ǻ : HarperTrophy
  :32
  ISBN:0064452026
   : YES
  Һڰ:9,800
  ǸŰ:4,300
  :130
   : 忬 - ġ, ʵб г (6~10)
   :  
  | | ǰ 

: õմϴ!   ۾:
   the daytime star  ȸ: 1405 / õ : 59
¾ star . ׿.
, ׷ ǥϱ .

it takes ð... ǥ .
it would take more than three years to reach the sun.
it takes eight minutes for light to travel from our daytime star to Earth.

, ణ ~ ׿.
Millions of years ago, as plants and animals grew, they stored solar energy.
Ancient solar energy is stored in coal and oil.
Today, we use the stored-up solar energy in coal, oil, and gasoline.

ǥ .
sundial
plant beans
water the sprouts
 2010 04 20 11:10:52

ǰ : õ Ʈ :
250408 ۾ 
̸ ȸ õ ۼ
ʹ ִ å 214 15 2024.02.05
... 821 33 2011.02.22
ź簡 ɴϴ º 1671 60 2010.08.29
־ ̿ ư, 忬ȭ 1095 44 2010.07.27
ֿ ణ 1154 59 2010.07.22
¾翡 ؼ.. 1452 46 2010.05.14
ø ִ ̿. 1425 46 2010.05.07
6 1471 54 2010.05.01
the daytime star 1405 59 2010.04.20
ʹ ... 1470 50 2010.04.07
- ø ϵǸ 500 ٷ 밡 帳ϴ. [ڼ Ȯϱ]

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