• Activity! Lake Turnover Question.
– Please describe in three sentences how a
lake changes throughout the year.
Copyright...
• http://sciencepowerpoint.com/
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
Copyright © 2010 Ryan...
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Skip a line between topics
-...
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
• BLACK SLIDE: Pay at...
• Available Sheet: Properties of Water.
– Note: This will be due at the end of Part III.
– Bring to class everyday.
• Activity! How does cold water behave?
– Drop a colored ice cube into a glass of water
and record what happens in your sc...
• Answer! Cold water sinks. The colder
blue water from the ice cube sank to the
bottom.
– Cold water sinks…But what happen...
• Answer! Cold water sinks. The colder
blue water from the ice cube sank to the
bottom.
– Cold water sinks…But what happen...
Lower Density of Ice: Water forms aLower Density of Ice: Water forms a
crystal lattice when it freezes which is lesscryst...
• Animation of water molecules forming a
crystal lattice (ice).
– Molecules attach to each other with + and –
bonds. They ...
• What if ice sank? How would the world be
different as we know it?
Copyright © 2010 Ryan P. Murphy
• Answer! The world would be a much
different place.
Copyright © 2010 Ryan P. Murphy
• Ice would form and then sink to the bottom.
On the next cold day / night more ice would
form and sink.
Copyright © 2010 ...
• This process would continue until the lake
was frozen solid.
Copyright © 2010 Ryan P. Murphy
• This process would continue until the lake
was frozen solid.
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• Aquatic organisms would die, the planets
climate would shift dramatically as the ice at
the poles would accumulate.
– Li...
• What’s a Turnover?
• What’s a Turnover?
• Answer: A dish made by folding a pastry
over some filling.
• What’s a turnover?
• What’s a turnover?
• Answer: A turnover is when the team with
the ball loses possession of the ball, which
is then gaine...
• What’s a turnover?
• Answer: A turnover is when the team with
the ball loses possession of the ball, which
is then gaine...
• What’s a turnover?
• Answer: A turnover is when the team with
the ball loses possession of the ball, which
is then gaine...
• What’s a Turnover?
• Answer: Measures how long a fund holds on
to the stocks it buys. The longer a mutual fund
holds on ...
• What’s a Turnover?
• Answer: Measures how long a fund holds on
to the stocks it buys. The longer a mutual fund
holds on ...
• What’s turnover?
• What’s turnover?
• Answer: The rate at which an employer
gains and loses employees.
• What’s Lake Turnover?
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer:
• What’s Lake Turnover?
• Answer: A process where the layers that
form in a lake are mixed seasonally.
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Available Sheet: Properties of Water.
– Note: This will be due at the end of Part III.
– Bring to class everyday.
• Lake Turnover…
– Fall - Air temperatures drop, and the upper
layers of water get cold.
– Wind and chop mix the upper lay...
• Please draw the following in your journal.
– (About ½ Page)
Epilimnion
Epilimnion
• Epilimnion: The upper layer in a layered
lake.
Copyright © 2010 Ryan P. Murphy
Epilimnion
Thermocline
• Thermocline: A layer within a body of water
where the temperature changes rapidly with
depth.
Copyright © 2010 Ryan P. M...
Epilimnion
Thermocline
Epilimnion
Thermocline
Epilimnion
Thermocline
Epilimnion
Thermocline
Epilimnion
Thermocline
Low Oxygen
because isolated
from oxygen
sources.
• Cold water fish such as trout and salmon
enjoy the colder temperatures and oxygen
levels of the thermocline.
Copyright ©...
• Cold water fish such as trout and salmon
enjoy the colder temperatures and oxygen
levels of the thermocline.
Copyright ©...
• Cold water fish such as trout and salmon
enjoy the colder temperatures and oxygen
levels of the thermocline.
Copyright ©...
Epilimnion
Thermocline
Hypolimnion
• Hypolimnion - The bottom and most dense
layer of water in a lake. Non-circulatory and
remains cold throughout the year
C...
Epilimnion
Thermocline
Hypolimnion
Summer Stagnation
in a Lake
• Activity! Creating Lake Turnover in a Jar.
• Activity! Creating Lake Turnover in a Jar.
– Teacher will have ice cold water (blue food
coloring)
– Very hot water (red...
• Activity! Creating Lake Turnover in a Jar.
– Teacher will have ice cold water (blue food
coloring)
– Very hot water (red...
• Activity! Creating Lake Turnover in a Jar.
– Teacher will have ice cold water (blue food
coloring)
– Very hot water (red...
• Activity! Creating Lake Turnover in a Jar.
– Teacher will have ice cold water (blue food
coloring)
– Very hot water (red...
• Activity! Set-up of Lake Turnover.
Cold
Hot
Device to prevent
mixing
Remove after.
• Activity! Lake Turnover.
– Please observe the layering of the Lake in
summer (Start)
– Teacher will ask students to blow...
• Activity! Lake Turnover
– Please sketch the following in your journal.
Summer Stagnation Fall Turnover
Winter Stagnation...
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
Layers form under ice
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
Summer Stagnation Fall Turnover
Winter Stagnation Spring Turnover
Copyright © 2010 Ryan P. Murphy
• Activity! Lake Turnover Question.
– Please describe in three sentences how a
lake changes throughout the year.
Copyright...
• Possible Answer: Throughout the year, a
lake goes through many changes. In the
summer the lake has three distinct layers...
• Possible Answer: Throughout the year, a
lake goes through many changes. In the
summer the lake has three distinct layers...
• Possible Answer: Throughout the year, a
lake goes through many changes. In the
summer the lake has three distinct layers...
• Possible Answer: Throughout the year, a
lake goes through many changes. In the
summer the lake has three distinct layers...
• Possible Answer: Throughout the year, a
lake goes through many changes. In the
summer the lake has three distinct layers...
• Possible Answer: Throughout the year, a
lake goes through many changes. In the
summer the lake has three distinct layers...
• Possible Answer: Throughout the year, a
lake goes through many changes. In the
summer the lake has three distinct layers...
• You can now complete this page.
• Video Link! Lake Turnover (Optional)
– http://www.youtube.com/watch?v=uSFSNTI67wc
• http://sciencepowerpoint.com/
Areas of Focus within the Water Molecule Unit:
Locations of Water on the Planet, Importance of Water, Groundwater,
Groundw...
http://www.teacherspayteachers.com/Product/Physical-Science-Curriculum-59http://www.teacherspayteachers.com/Product/Life-h...
• Please visit the links below to learn more
about each of the units in this curriculum
– These units take me about four y...
Physical Science Units Extended Tour Link and Curriculum Guide
Science Skills Unit http://sciencepowerpoint.com/Science_In...
• The entire four year curriculum can be found
at... http://sciencepowerpoint.com/ Please feel
free to contact me with any...
• http://sciencepowerpoint.com/
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion
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Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion

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This unit consists of a three part 1500 slide PowerPoint roadmap from sciencepowerpoint.com/ complete with a 14 page bundled homework package, modified version, 9 pages of unit notes, built-in hands-on activities with instructions and visuals, 25 video links, built-in quizzes, review games, answer keys, rubrics, worksheets that follow slideshow for classwork, complete student version of the unit, and much more.
Areas of Focus: -Locations of Water on the Planet, Importance of Water, Groundwater, Groundwater Pollution, The Water Molecule, Properties of Water, Polarity, Cohesion, Adhesion, Capillary Action, High Specific Heat, Water has a Neutral pH, lower density of ice, lake turnover, water cycle, three stares of matter, Water is the Universal Solvent, Mixtures, and much more.
I also sell all 20 Middle-Level Science Units as a curriculum package. This includes all 20 units (50,000 slides), in Life, Earth, and Physical Science for students in grades 5-10, This also includes 275 pages of bundled homework / assessment that chronologically follows each unit, 175 pages of modified assessments, 325 pages of answer keys, 260 pages of unit notes, 37 PowerPoint review games (5000+ slides), 315 videos, hundreds of pages of handouts, First Day PowerPoint, Guidebook, and Four Year Curriculum Guide and classroom license.
Thank you for time and if you have any questions please feel free to contact me at www.sciencepowerpoint@gmail.com. Best wishes.
Teaching Duration = 4+ Weeks

Sincerely,
Ryan Murphy M.Ed
http://sciencepowerpoint.com/

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Transcript of "Lake Turnover PowerPoint, Summer Stagnation, Epilimnion, Thermocline, Hypolimnion"

  1. 1. • Activity! Lake Turnover Question. – Please describe in three sentences how a lake changes throughout the year. Copyright © 2010 Ryan P. Murphy
  2. 2. • http://sciencepowerpoint.com/
  3. 3. • RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy
  4. 4. -Nice neat notes that are legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn.
  5. 5. • RED SLIDE: These are notes that are very important and should be recorded in your science journal. • BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly. Copyright © 2010 Ryan P. Murphy
  6. 6. • Available Sheet: Properties of Water. – Note: This will be due at the end of Part III. – Bring to class everyday.
  7. 7. • Activity! How does cold water behave? – Drop a colored ice cube into a glass of water and record what happens in your science journal. Copyright © 2010 Ryan P. Murphy
  8. 8. • Answer! Cold water sinks. The colder blue water from the ice cube sank to the bottom. – Cold water sinks…But what happens to really cold water? Copyright © 2010 Ryan P. Murphy
  9. 9. • Answer! Cold water sinks. The colder blue water from the ice cube sank to the bottom. – Cold water sinks…But what happens to really cold water? Copyright © 2010 Ryan P. Murphy
  10. 10. Lower Density of Ice: Water forms aLower Density of Ice: Water forms a crystal lattice when it freezes which is lesscrystal lattice when it freezes which is less dense than water…Ice Floats!dense than water…Ice Floats! Copyright © 2010 Ryan P. Murphy
  11. 11. • Animation of water molecules forming a crystal lattice (ice). – Molecules attach to each other with + and – bonds. They do not move quickly around when in the solid state. • http://www.youtube.com/watch?v=RIW65QLWs
  12. 12. • What if ice sank? How would the world be different as we know it? Copyright © 2010 Ryan P. Murphy
  13. 13. • Answer! The world would be a much different place. Copyright © 2010 Ryan P. Murphy
  14. 14. • Ice would form and then sink to the bottom. On the next cold day / night more ice would form and sink. Copyright © 2010 Ryan P. Murphy
  15. 15. • This process would continue until the lake was frozen solid. Copyright © 2010 Ryan P. Murphy
  16. 16. • This process would continue until the lake was frozen solid. Copyright © 2010 Ryan P. Murphy
  17. 17. Copyright © 2010 Ryan P. Murphy
  18. 18. • Aquatic organisms would die, the planets climate would shift dramatically as the ice at the poles would accumulate. – Life as we know it would change for the worse. Copyright © 2010 Ryan P. Murphy
  19. 19. • What’s a Turnover?
  20. 20. • What’s a Turnover? • Answer: A dish made by folding a pastry over some filling.
  21. 21. • What’s a turnover?
  22. 22. • What’s a turnover? • Answer: A turnover is when the team with the ball loses possession of the ball, which is then gained by the other team.
  23. 23. • What’s a turnover? • Answer: A turnover is when the team with the ball loses possession of the ball, which is then gained by the other team.
  24. 24. • What’s a turnover? • Answer: A turnover is when the team with the ball loses possession of the ball, which is then gained by the other team.
  25. 25. • What’s a Turnover? • Answer: Measures how long a fund holds on to the stocks it buys. The longer a mutual fund holds on to a stock and the less trading the fund does, the lower the turnover will be…
  26. 26. • What’s a Turnover? • Answer: Measures how long a fund holds on to the stocks it buys. The longer a mutual fund holds on to a stock and the less trading the fund does, the lower the turnover will be…
  27. 27. • What’s turnover?
  28. 28. • What’s turnover? • Answer: The rate at which an employer gains and loses employees.
  29. 29. • What’s Lake Turnover?
  30. 30. • What’s Lake Turnover? • Answer:
  31. 31. • What’s Lake Turnover? • Answer:
  32. 32. • What’s Lake Turnover? • Answer:
  33. 33. • What’s Lake Turnover? • Answer:
  34. 34. • What’s Lake Turnover? • Answer:
  35. 35. • What’s Lake Turnover? • Answer:
  36. 36. • What’s Lake Turnover? • Answer:
  37. 37. • What’s Lake Turnover? • Answer:
  38. 38. • What’s Lake Turnover? • Answer:
  39. 39. • What’s Lake Turnover? • Answer: A process where the layers that form in a lake are mixed seasonally.
  40. 40. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well • These get colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  41. 41. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well • These get colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  42. 42. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • These get colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering . Cold Wind
  43. 43. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  44. 44. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  45. 45. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  46. 46. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  47. 47. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  48. 48. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  49. 49. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  50. 50. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  51. 51. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  52. 52. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  53. 53. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered. – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering .
  54. 54. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered. – Spring – Melting ice causes water to sink and mixes layers
  55. 55. • Available Sheet: Properties of Water. – Note: This will be due at the end of Part III. – Bring to class everyday.
  56. 56. • Lake Turnover… – Fall - Air temperatures drop, and the upper layers of water get cold. – Wind and chop mix the upper layers as well. • Upper water layer gets colder, denser, heavier, and sink. – Colder water displaces the water the lake bottom forcing the lower layers to the surface. – Winter - Ice forms layer over water. Lake becomes layered. – Spring – Melting ice causes water to sink and mixes layers – Summer – Warm temperatures cause layering.
  57. 57. • Please draw the following in your journal. – (About ½ Page)
  58. 58. Epilimnion
  59. 59. Epilimnion
  60. 60. • Epilimnion: The upper layer in a layered lake. Copyright © 2010 Ryan P. Murphy
  61. 61. Epilimnion Thermocline
  62. 62. • Thermocline: A layer within a body of water where the temperature changes rapidly with depth. Copyright © 2010 Ryan P. Murphy
  63. 63. Epilimnion Thermocline
  64. 64. Epilimnion Thermocline
  65. 65. Epilimnion Thermocline
  66. 66. Epilimnion Thermocline
  67. 67. Epilimnion Thermocline Low Oxygen because isolated from oxygen sources.
  68. 68. • Cold water fish such as trout and salmon enjoy the colder temperatures and oxygen levels of the thermocline. Copyright © 2010 Ryan P. Murphy
  69. 69. • Cold water fish such as trout and salmon enjoy the colder temperatures and oxygen levels of the thermocline. Copyright © 2010 Ryan P. Murphy
  70. 70. • Cold water fish such as trout and salmon enjoy the colder temperatures and oxygen levels of the thermocline. Copyright © 2010 Ryan P. Murphy
  71. 71. Epilimnion Thermocline Hypolimnion
  72. 72. • Hypolimnion - The bottom and most dense layer of water in a lake. Non-circulatory and remains cold throughout the year Copyright © 2010 Ryan P. Murphy
  73. 73. Epilimnion Thermocline Hypolimnion Summer Stagnation in a Lake
  74. 74. • Activity! Creating Lake Turnover in a Jar.
  75. 75. • Activity! Creating Lake Turnover in a Jar. – Teacher will have ice cold water (blue food coloring) – Very hot water (red food coloring) – Pour in cold water first. – Then use Petri dish as cover and pour the hot on top of the cold without mixing the layers.
  76. 76. • Activity! Creating Lake Turnover in a Jar. – Teacher will have ice cold water (blue food coloring) – Very hot water (red food coloring)
  77. 77. • Activity! Creating Lake Turnover in a Jar. – Teacher will have ice cold water (blue food coloring) – Very hot water (red food coloring) – Pour in cold water first.
  78. 78. • Activity! Creating Lake Turnover in a Jar. – Teacher will have ice cold water (blue food coloring) – Very hot water (red food coloring) – Pour in cold water first. – Then use Petri dish as cover and pour the hot on top of the cold without mixing the layers.
  79. 79. • Activity! Set-up of Lake Turnover. Cold Hot Device to prevent mixing Remove after.
  80. 80. • Activity! Lake Turnover. – Please observe the layering of the Lake in summer (Start) – Teacher will ask students to blow on top layers. (Early Fall) – Teacher will add ice cubes (Early Winter) – Same effect occurs with Spring
  81. 81. • Activity! Lake Turnover – Please sketch the following in your journal. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  82. 82. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  83. 83. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  84. 84. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  85. 85. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  86. 86. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  87. 87. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  88. 88. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy Layers form under ice
  89. 89. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  90. 90. Summer Stagnation Fall Turnover Winter Stagnation Spring Turnover Copyright © 2010 Ryan P. Murphy
  91. 91. • Activity! Lake Turnover Question. – Please describe in three sentences how a lake changes throughout the year. Copyright © 2010 Ryan P. Murphy
  92. 92. • Possible Answer: Throughout the year, a lake goes through many changes. In the summer the lake has three distinct layers. Colder temperatures and wind in the fall mix the layers. After the ice forms across the lake, winter layers form. The melting ice mixes the layers in the spring. The lake returns to it’s summer layering when the temperatures warm. Copyright © 2010 Ryan P. Murphy
  93. 93. • Possible Answer: Throughout the year, a lake goes through many changes. In the summer the lake has three distinct layers. Copyright © 2010 Ryan P. Murphy
  94. 94. • Possible Answer: Throughout the year, a lake goes through many changes. In the summer the lake has three distinct layers. Colder temperatures and wind in the fall mix the layers. Copyright © 2010 Ryan P. Murphy
  95. 95. • Possible Answer: Throughout the year, a lake goes through many changes. In the summer the lake has three distinct layers. Colder temperatures and wind in the fall mix the layers. After the ice forms across the lake, winter layers form. Copyright © 2010 Ryan P. Murphy
  96. 96. • Possible Answer: Throughout the year, a lake goes through many changes. In the summer the lake has three distinct layers. Colder temperatures and wind in the fall mix the layers. After the ice forms across the lake, winter layers form. The melting ice mixes the layers in the spring. Copyright © 2010 Ryan P. Murphy
  97. 97. • Possible Answer: Throughout the year, a lake goes through many changes. In the summer the lake has three distinct layers. Colder temperatures and wind in the fall mix the layers. After the ice forms across the lake, winter layers form. The melting ice mixes the layers in the spring. The lake returns to it’s summer layering when the temperatures warm. Copyright © 2010 Ryan P. Murphy
  98. 98. • Possible Answer: Throughout the year, a lake goes through many changes. In the summer the lake has three distinct layers. Colder temperatures and wind in the fall mix the layers. After the ice forms across the lake, winter layers form. The melting ice mixes the layers in the spring. The lake returns to it’s summer layering when the temperatures warm. Copyright © 2010 Ryan P. Murphy Learn more about lake turnover at… http://www.islandnet.com/~see/weather/elements/turnlakes.htm
  99. 99. • You can now complete this page.
  100. 100. • Video Link! Lake Turnover (Optional) – http://www.youtube.com/watch?v=uSFSNTI67wc
  101. 101. • http://sciencepowerpoint.com/
  102. 102. Areas of Focus within the Water Molecule Unit: Locations of Water on the Planet, Importance of Water, Groundwater, Groundwater Pollution, The Water Molecule, Properties of Water, Polarity, Cohesion, Adhesion, Capillary Action, High Specific Heat, Water has a Neutral pH, Lower Density of Ice. Water is the Universal Solvent, Mixtures Full unit can be found at… http://sciencepowerpoint.com/Water_Molecule_Unit.html
  103. 103. http://www.teacherspayteachers.com/Product/Physical-Science-Curriculum-59http://www.teacherspayteachers.com/Product/Life-http://www.teacherspayte
  104. 104. • Please visit the links below to learn more about each of the units in this curriculum – These units take me about four years to complete with my students in grades 5-10. Earth Science Units Extended Tour Link and Curriculum Guide Geology Topics Unit http://sciencepowerpoint.com/Geology_Unit.html Astronomy Topics Unit http://sciencepowerpoint.com/Astronomy_Unit.html Weather and Climate Unit http://sciencepowerpoint.com/Weather_Climate_Unit.html Soil Science, Weathering, More http://sciencepowerpoint.com/Soil_and_Glaciers_Unit.html Water Unit http://sciencepowerpoint.com/Water_Molecule_Unit.html Rivers Unit http://sciencepowerpoint.com/River_and_Water_Quality_Unit.html = Easier = More Difficult = Most Difficult 5th – 7th grade 6th – 8th grade 8th – 10th grade
  105. 105. Physical Science Units Extended Tour Link and Curriculum Guide Science Skills Unit http://sciencepowerpoint.com/Science_Introduction_Lab_Safety_Metric_Methods. html Motion and Machines Unit http://sciencepowerpoint.com/Newtons_Laws_Motion_Machines_Unit.html Matter, Energy, Envs. Unit http://sciencepowerpoint.com/Energy_Topics_Unit.html Atoms and Periodic Table Unit http://sciencepowerpoint.com/Atoms_Periodic_Table_of_Elements_Unit.html Life Science Units Extended Tour Link and Curriculum Guide Human Body / Health Topics http://sciencepowerpoint.com/Human_Body_Systems_and_Health_Topics_Unit.html DNA and Genetics Unit http://sciencepowerpoint.com/DNA_Genetics_Unit.html Cell Biology Unit http://sciencepowerpoint.com/Cellular_Biology_Unit.html Infectious Diseases Unit http://sciencepowerpoint.com/Infectious_Diseases_Unit.html Taxonomy and Classification Unit http://sciencepowerpoint.com/Taxonomy_Classification_Unit.html Evolution / Natural Selection Unit http://sciencepowerpoint.com/Evolution_Natural_Selection_Unit.html Botany Topics Unit http://sciencepowerpoint.com/Plant_Botany_Unit.html Ecology Feeding Levels Unit http://sciencepowerpoint.com/Ecology_Feeding_Levels_Unit.htm Ecology Interactions Unit http://sciencepowerpoint.com/Ecology_Interactions_Unit.html Ecology Abiotic Factors Unit http://sciencepowerpoint.com/Ecology_Abiotic_Factors_Unit.html
  106. 106. • The entire four year curriculum can be found at... http://sciencepowerpoint.com/ Please feel free to contact me with any questions you may have. Thank you for your interest in this curriculum. Sincerely, Ryan Murphy M.Ed
  107. 107. • http://sciencepowerpoint.com/

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