Friday, 13 April 2012 7 remaining American Idol contestants

  1. Skylar Laine
  2. Colton Dixon
  3. Jessica Sanchez
  4. Joshua Ledet
  5. Hollie Cavanagh
  6. Phillip Phillips
  7. Elise Testone

Thursday, 12 April 2012 7 US National Parks

  1. Crater Lake National Park - Oregon
  2. Gates of the Arctic National Park and Preserve - Alaska
  3. Great Smoky Mountains National Park - North Carolina
  4. Sequoia National Park - California
  5. Zion National Park - Utah
  6. Death Valley National Park - California/Nevada
  7. Mammoth Cave National Park - Kentucky

Wednesday, 11 April 2012 7 authors that write/wrote under a pen-name

  1. Richard Bachman - Stephen King
  2. Lewis Carroll - Charles Dodgson
  3. George Eliot - Mary Ann Evans
  4. C S Forester - Cecil Smith
  5. George Orwell - Eric Arthur Blair
  6. James Tiptree Jr - Alice Sheldon
  7. Joseph Conrad - Józef Teodor Konrad Korzeniowski

Tuesday, 10 April 2012 7 largest reservoirs in the world

  1. Nasser, Egypt/Sudan - 5248 km2
  2. Bratskoye, Russia - 5470 km2
  3. Bukhtarma, Kazakhastan - 5490 km2
  4. Kariba, Zimbabwe/Zambia - 5580 km2
  5. Kujbyshevskoe, Russia - 6450 km2
  6. Smallwood, Canada - 6527 km2
  7. Volta, Ghana - 8502 km2

Monday, 9 April 2012 7 types of crane

  1. Jib crane
  2. Level luffing crane
  3. Self-erecting crane
  4. Telescopic handler crane
  5. Crawler crane
  6. Carry deck crane
  7. Sidelift crane