Abby r10


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Abby r10

  1. 1. Tundra ByAbby
  2. 2. The winter temperatures average about - 30 degrees throughout most of the true Arctic including the North Pole. The coldest weather occurs in north-eastern Siberia. There January temperatures average -40 degrees , and have reached -93degrees . Most other parts of Siberia and the sub arctic sections of central Asia.
  3. 3. The reasonit is so coldis because It is so faraway from the sun
  4. 4. Only the top layer in the soil can thaw in the summer, which doesnt allowplants requiring a deep rootstructure to grow
  5. 5. In the summer, the sun shines all the time, even at midnight.
  6. 6. North poleSouth poleAntarcticaAlaska
  7. 7. It is widely known that although no‘normal’ humanbeings live at The North Pole, ‘magical’ peopledo! The North Pole is home to Santaand his wife, and all of his elf helpers!
  8. 8. South pole has no native population or permanent residents, but there are a number of researchers and explorers whostay for extended periods.
  9. 9. Antarctica is pushed into the earth by the weight of its ice sheets If they melted, it would "spring back" www.freeimages.comabout 500m (1 625ft). It would do thisvery slowly takingabout 10,000 years to do so
  10. 10. It is 2 times the size of Texas . We have 29 volcanoes . 1,400 miles North to South. 2,700 miles East to West .Over 1/2 the worlds Glaciers. 55 miles east of Russia .We are the only state to have coastlines on three different seas. Arctic Ocean, Pacific Ocean and Bering Sea.
  11. 11. Arctic willowArctic mossbearberryCaribou mossDiamond-leaf willow
  12. 12. The arctic willowgrows to only about15-20 cm in height. Itis very short becauseof the short growingseason in the Arcticand the frozen soil. Ithas long trailingbranches that formroots where theytouch the soil. Thearctic willow has theability to form a www.freedigitalphotos.compesticide to protect itagainst insects.
  13. 13. The annual average watertemperature hovers just above 0°C,reaching a maximum of only 4–6°C at the height of summer. Nutrient levels are also extremely low, particularly nitrogen.
  14. 14. They were used fortobacco by the Native Americans,who also used www.freedigitalphotos.comthe mealy red berries for food and beverages.
  15. 15. Caribou mossgrows in arcticregions aroundthe world. Itgrows on theground and on www.freedigitalphotos.comrocks. It lookslike a foamy,gray-greenspongy mass,and grows to be 1to 4 inches high.
  16. 16. The twigs on awillow are nice softand they bendreally easily. Awillow has very www.freedigitalphotos.comthin branches. Theleaves are quitenarrow and growvery fast on thebranch.
  17. 17. Arctic FoxpenguinPolar bearNorway lemming
  18. 18. The arctic fox livesfarther north thanany other fox. Thearctic fox can huntNorway lemmingthat they cant seeunder the snow, www.freeimages.combut if the arctic foxcant kill enough toeat, it will eatleftovers fromother animals.
  19. 19. Penguins are birds that cant fly. Instead they flythrough the water. Their wings make them fast.The torpedo shapeof their body helpsthem swim at good high speeds.Penguins have two eggs.
  20. 20. Polar bears livealong shores andon sea ice in the icy cold Arctic. When sea ice comes over theocean in cold icy weather, many polar bears, except females having babies.
  21. 21. The Norwaylemming is acommon type oflemming foundin the tundras.Its scientificname is lemmuslemmus.
  22. 22. Polar bearNorway lemming Arctic bunnylichens perennial Cotton grass