Waves and Tides

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Waves and Tides
Ocean Floor
Life in the Ocean
Tsunamis
Ocean Pollution
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Waves and Tides for 100

• QuestionHow are waves generated?

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Waves and Tides for 100

• AnswerSome waves are generated by storms.
  Others are generated by friction as the wind
  crosses the water surface..

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4
Waves and Tides for 200

• Question
• What causes tides?

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Waves and Tides for 200

• AnswerTides are caused by the gravitational
  pull of the moon and sun.

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6
Waves and Tides for 300

• Question
• How long do high tides and low tides last?

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Waves and Tides for 300

• Answer
• The longest that high and low tides last is 12
  hours and 25 minutes. They take place two times
  each day.

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8
Waves and Tides for 400

• Question
• What happens when a wave meets the ocean floor?

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Waves and Tides for 400

• Answer
• The wave slows down and its height and length
  decrease.

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10
Waves and Tides for 500

• Question
• What determines the size of a wave?

11
Waves and Tides for 500

• Answer
• The size of a wave depends on the time and
  speed that the wind blows.

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12
The Ocean Floor for 100

• Question
• What portion of the earth is covered in water?

13
The Ocean Floor for 100

• Answer
• 70 of the earth is covered in water.

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14
The Ocean Floor for 200

• Question
• What is the name of the ancient land mass known
  as the supercontinent

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The Ocean Floor for 200

• AnswerThe ancient land mass is known as the
  pangea.

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16
The Ocean Floor for 300

• Question
• What islands are an example of an oceanic ridge?

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The Ocean Floor for 300

• AnswerThe Hawaiian Islands are an example of an
  oceanic ridge.

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18
The Ocean Floor for 400

• Question
• What is the process in which the ocean floor is
  extended when two plates move apart?

19
The Ocean Floor for 400

• AnswerThis process is known as sea-floor
  spreading.

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20
The Ocean Floor for 500

• Question
• What is the name of the German scientist that
  founded the continental drift theory?

21
The Ocean Floor for 500

• Answer
• Alfred Wegener founded the continental drift
  theory.

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22
Life in the Ocean for 100

• Question
• What is the name of the foundation that is
  helping threatened marine ecosystems?

23
Life in the Oceans for 100

• Answer
• The Kerzner Marine Foundation is helping
  threatened marine ecosystems?

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24
Life in the Oceans for 200

• Question
• What ocean material can be used to replace
  human bones?

25
Life in the Oceans for 200

• Answer
• Coral can be used to replace human bones.

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26
Life in the Oceans for 300

• Question
• What ocean fish can sting with as much force as
  a bullet?

27
Life in the Ocean for 300

• Answer
• The jellyfish can sting with as much force as a
  bullet.

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28
Life in the Ocean for 400

• Question
• What is the name of the worlds largest coral
  reef system?

29
Life in the Ocean for 400

• Answer
• The Great Barrier Reef is the name of the
  worlds largest coral reef system.

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30
Life in the Ocean for 500

• Question
• How many fish species can be found in the Great
  Barrier Reef?

31
Life in the Ocean for 500

• Answer
• 1500 species of fish can be found in the Great
  Barrier Reef?

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32
Tsunamis for 100

• Question
• What is a tsunami?

33
Tsunamis for 100

• Answer
• Tsunamis are huge waves that come onto land.

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34
Tsunamis for 200

• Question
• Tsunami means harbor wave in what language?

35
Tsunamis for 200

• Answer
• Tsunami means harbor wave in the Japanese
  language.

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36
Tsunamis for 300

• Question
• What causes a tsunami?

37
Tsunamis for 300

• Answer
• Tsunamis can be caused by earthquakes that
  cause surface waves.

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38
Tsunamis for 400

• Question
• How are tsunamis tracked?

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Tsunamis 400

• Answer
• Tsunamis can be tracked using a Deep Sea
  Pressure Monitoring System.

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40
Tsunamis for 500

• Question
• What is a Deep Sea Pressure Monitoring
  System.

41
Tsunamis for 500

• Answer
• It is a gage that can measure a tsunami that is
  1mm high and that is 300 miles out in the ocean.
  

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42
Ocean Pollution for 100

• Question
• How many gallons of untreated sewage, storm
  water, and industrial waste are discharged into
  United States waters annually?

43
Ocean Pollution for 100

• Answer
• 1.2 trillion gallons of untreated sewage,
  storm water, and industrial waste are discharged
  into US waters annually.

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44
Ocean Pollution for 200

• Question
• What percent of the ocean pollution comes from
  land-based activities such as runoff?

45
Ocean Pollution for 200

• Answer
• Over 80 of the ocean pollution comes from
  land-based activities such as runoff.

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46
Ocean Pollution for 300

• Question
• Oil Spills make up what part of the oil
  entering the oceans each year?

47
Ocean Pollution for 300

• Answer
• Oil Spills only make up 12 of the oil entering
  the oceans each year.

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48
Ocean Pollution for 400

• Question
• What part of ocean pollution comes down drains
  and rivers as waste and runoff from cities and
  business?

49
Ocean Pollution for 400

• Answer
• 36 comes down drains and rivers as waste and
  runoff from cities and business.

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50
Ocean Pollution for 500

• Question True or False
• Almost everything we throw away can reach the
  sea.

51
Ocean Pollution for 500

• Answer True
• Plastic bags, balloons, glass bottles, shoes, -
  if not disposed of correctly, can reach the sea.

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52
Category 6 for 100

• Question

53
Category 6 for 100

• Answer

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54
Category 6 for 200

• Question

55
Category 6 for 200

• Answer

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56
Category 6 for 300

• Question

57
Category 6 for 300

• Answer

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58
Category 6 for 400

• Question

59
Category 6 for 400

• Answer

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60
Category 6 for 500

• Question

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Category 6 for 500

• Answer

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