(ESS 2016-17)Name______Date______Period______

National Geographic – Light the Ocean

  1. The ocean covers more than ______of our planet.
  2. The ocean circulates water, ______and ______
  3. the ocean light only penetrates a few hundred feet ______percent of the ocean lies beyond the reach of the sun
  1. A shallow warm current carries water north through the surface waters of the Atlantic but the arctic air cools this warm water making it ______dense and as the current moves north the water is so ______it sinks and then turns back on itself flowing ______.
  2. Abyssal Plains form the ______habitat on the planet covering ______the entire globe
  1. Most deep sea creatures are ______and must be caught very ______
  2. What is the name of the mountain range that rises from the Atlantic floor?
  3. Between the mountain range aremassive canyons some ______kilometersdeep and ______kilometers long.
  1. The longest continuous ocean current onthe planet carries ______times the waterof all the world's rivers.
  1. Why do the corals live here the canyonchannels?
  2. How much of ice bergs are below the surface>?
  3. What grows around Antarctica where these two masses of water mix?
  4. What type of bird lives their life wandering around the globe on the ocean?
  5. As the current meets New Zealand,the current meets the ______ridge. The peak was covered with ______.
  6. The southern elephant seals can reach ______kilogram.
  7. Royal penguins live here in vast numbers nearly ______live on the island and they breed ______Macquarie.
  8. What do scientists use to listen to the whales calls?
  9. When do sperm whales come to the surface to feed?
  10. Why are duskydolphins different from other dolphins?
  11. What do seamounts do to the water current?
  12. How many seamounts have been “seen” by satellites?
  13. What happens to water that warms up and becomes less dense?
  14. Why are krill so important?
  15. Monterey Bay Canyon is around the same size as the ______.
  16. What type of animal comes in summer to eat the krill?
  1. Ocean Eddie's really are storms in the ocean but because water is denser than air,they are______of times more powerful than hurricanes.
  2. What do the computers record from the images captured by the video plankton recorder?
  1. The open ocean pumps______and ______around the planet
  2. How long does it take water to travel this current?