• Activity! pH Dangerous solutions.
– Two mystery solutions. Which is the serious
acid (1-2) and which is the base (12-14)...
• 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...
• Which of the following would you drink?
Copyright © 2010 Ryan P. Murphy
Acid
Copyright © 2010 Ryan P. Murphy
Acid Water / neutral Base
Copyright © 2010 Ryan P. Murphy
Acid Water / neutral Base
Copyright © 2010 Ryan P. Murphy
Acid Water / Neutral Base
Copyright © 2010 Ryan P. Murphy
Acid Water / neutral Base
Copyright © 2010 Ryan P. Murphy
Acid Water / Neutral Base
Sea water
Copyright © 2010 Ryan P. Murphy
Acid Water / Neutral Base
Sea water
Copyright © 2010 Ryan P. Murphy
• The average pH of soft drinks, e.g. Coke/
Pepsi is a pH 3.4. This acidity is strong
enough to dissolve teeth and bones!
...
• The average pH of soft drinks, e.g. Coke/
Pepsi is a pH 3.4. This acidity is strong
enough to dissolve teeth and bones!
...
• Video Link! (Optional) Mtn. Dew Mouth.
– How Mtn. Dew and other sodas can cause
serious tooth decay if misused.
– http:/...
Water in a pure state has a neutral pH.
Pure water is neither acidic or basic.
Copyright © 2010 Ryan P. Murphy
• Water in a pure state has a neutral pH.
– Pure water is neither acidic or basic.
Copyright © 2010 Ryan P. Murphy
Neutral:
• Water in a pure state has a neutral pH.
– Pure water is neither acidic or basic.
Copyright © 2010 Ryan P. Murphy
Neutral...
• Water in a pure state has a neutral pH.
– Pure water is neither acidic or basic.
Copyright © 2010 Ryan P. Murphy
The pH scale goes 1-14
7 is neutral
1 is Acidic
14 is basic
Copyright © 2010 Ryan P. Murphy
The pH scale goes 1-14
7 is neutral
1 is Acidic
14 is basic
Copyright © 2010 Ryan P. Murphy
The pH scale goes 1-14
7 is neutral
1 is Acidic
14 is basic
Copyright © 2010 Ryan P. Murphy
The pH scale goes 1-14
7 is neutral
1 is Acidic
14 is basic
Copyright © 2010 Ryan P. Murphy
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• Please decided whether the box is placed
in an area of the pH scale that is…
– Acidic -Neutral -Basic
• What is the pH of the two pieces of Litmus
Paper below?
• What is the pH of the two pieces of Litmus
Paper below?
• What is the pH of the two pieces of Litmus
Paper below?
• What is the pH of the two pieces of Litmus
Paper below? Answer: pH of 10.
• What is the pH of the two pieces of Litmus
Paper below? Answer: pH of 10.
Is that an acid or base?
• What is the pH of the two pieces of Litmus
Paper below? Answer: pH of 10.
Is that an acid or base?
• What is the pH of the two pieces of Litmus
Paper below?
• What is the pH of the two pieces of Litmus
Paper below?
• What is the pH of the two pieces of Litmus
Paper below?
• What is the pH of the two pieces of Litmus
Paper below? Answer: pH of 3
• What is the pH of the two pieces of Litmus
Paper below? Answer: pH of 3
Is that an Acid or a Base?
• What is the pH of the two pieces of Litmus
Paper below? Answer: pH of 3
Is that an Acid or a Base?
• What color best represents distilled water?
• What color best represents distilled water?
• What color best represents distilled water?
• Answer: Olive / Green
• What color best represents distilled water?
• Answer: Olive / Green
Is it an acid or a base?
• What color best represents distilled water?
• Answer: Olive / Green
Is it an acid or a base?
Trick, It’s Neutral
 pH - An expression for the effective concentration
of hydrogen ions in a solution.
Copyright © 2010 Ryan P. Murphy
• The strength of an acid is based on the
concentration of H+ (hydrogen) ions in the solution.
Copyright © 2010 Ryan P. Mu...
• This is what can happen if your sensitive skin
comes in contact with dangerous acid.
• This is what can happen if your sensitive skin
comes in contact with dangerous acid.
• What if I am splashed with something that is
extremely basic?
• The same result! Both ends of the pH scale are
extremely dangerous and need to be respected.
• Acid burns are real and pose a very
serious health risk. Know about them in
your house and workplace.
Copyright © 2010 R...
• Acid burns are real and pose a very
serious health risk. Know about them in
your house and workplace.
– Always wear the ...
• Picture of laborers collecting sulfur in a
dangerous sulfur mine.
Copyright © 2010 Ryan P. Murphy
• Picture of laborers collecting sulfur in a
dangerous sulfur mine.
– Life expectancy of these workers is very young
as th...
• Picture of an acid lake on top of a volcano.
• The strength of a base is determined by the
concentration of Hydroxide ions (OH-)
Copyright © 2010 Ryan P. Murphy
• Activity! Using litmus paper to test
solutions to see if they are acidic or basic.
– Please wear goggles and gloves at a...
• Available Sheet: Properties of Water.
– Note: This will be due at the end of Part III.
– Bring to class everyday.
• Activity! pH
– Please create 7 small circles in a row. Use a
penny to assist you.
• Activity! pH
– Number your circles as follows.
1-2 2-4 4-6 6-8 8-10 10-12 12-14
• Activity! pH
– These will be done after all others.
1-2 2-4 4-6 6-8 8-10 10-12 12-14
• Activity! pH
– Color your circles according to the Litmus
Paper.
1-2 2-4 4-6 6-8 8-10 10-12 12-14
• Activity! pH
– Color your circles according to the Litmus
Paper.
1-2 2-4 4-6 6-8 8-10 10-12 12-14
• Activity! pH
– Visit each solution, test the pH and record the
name of the solution under the correct circle.
1-2 2-4 4-...
• Activity! pH
– Visit each solution, test the pH and record the
name of the solution under the correct circle.
1-2 2-4 4-...
• Activity! pH
– Visit each solution, test the pH and record the
name of the solution under the correct circle.
1-2 2-4 4-...
• Activity! pH
– Visit each solution, test the pH and record the
name of the solution under the correct circle.
1-2 2-4 4-...
• Activity! pH
– Visit each solution, test the pH and record the
name of the solution under the correct circle.
1-2 2-4 4-...
• Activity! pH
– Visit each solution, test the pH and record the
name of the solution under the correct circle.
1-2 2-4 4-...
• Activity! pH
– Visit each solution, test the pH and record the
name of the solution under the correct circle.
1-2 2-4 4-...
• Activity! pH
– Visit each solution, test the pH and record the
name of the solution under the correct circle.
1-2 2-4 4-...
Copyright © 2010 Ryan P. Murphy
• Activity! Using litmus paper to test
solutions to see if they are acidic or basic.
– Please wear goggles and gloves at a...
• Activity! Using litmus paper to test
solutions to see if they are acidic or basic.
– Please wear goggles and gloves at a...
• Activity! Using litmus paper to test
solutions to see if they are acidic or basic.
– Please wear goggles and gloves at a...
• Activity! pH Dangerous solutions.
– Two mystery solutions. Which is the serious
acid (1-2) and which is the base (12-14)...
• Activity! pH Dangerous solutions.
– Two mystery solutions. Which is the serious
acid (1-2) and which is the base (12-14)...
• Activity! pH Dangerous solutions.
– Two mystery solutions. Which is the serious
acid (1-2) and which is the base (12-14)...
• Test two mystery substances to see which
is a dangerous acid, and which is a
dangerous base.
• Test two mystery substances to see which
is a dangerous acid, and which is a
dangerous base.
• Test two mystery substances to see which
is a dangerous acid, and which is a
dangerous base.
Sodium
Hydroxide
(Basic)
• Test two mystery substances to see which
is a dangerous acid, and which is a
dangerous base.
Sodium
Hydroxide
(Basic)
Hy...
• Lab Activity! Teacher Demo. (Optional)
– Requires lab goggles and gloves and apron.
– Please create four circles and lab...
• Demonstration! Acids and Bases
– Add 5 drops of diluted HCL (6 molar) acid to
each test tube / metal and record findings...
• Demonstration! Acids and Bases
– Add 5 drops of diluted HCL (6 molar) acid to
each test tube / metal and record findings...
• Demonstration! Acids and Bases
– Add 5 drops of diluted HCL (6 molar) acid to
each test tube / metal and record findings...
• Demonstration! Acids and Bases
– Add 5 drops of diluted HCL (6 molar) acid to
each test tube / metal and record findings...
• Hydrochloric Acid can induce chemical change.
• Zn + 2HCl -----> ZnCl2 + H2 (gas)
Copyright © 2010 Ryan P. Murphy
• Hydrogen Explosive Bubbles Video Link
– http://www.youtube.com/watch?v=zrg8XlHEDJ8
Copyright © 2010 Ryan P. Murphy
• Water has a neutral pH, and therefore
dissolves solutions or compounds of any pH.
Copyright © 2010 Ryan P. Murphy
• Acid Rain is caused by Nitrogen and Sulfur
dioxides. aka – Air pollution.
Copyright © 2010 Ryan P. Murphy
NO3NOx
SO2
• Video Link! Acid Rain
– http://www.youtube.com/watch?v=HE6Y0iEuXMQ
• Activity! Acid Rain.
– Draw one of the following on a note card
depending on the number assigned.
• 1 Car D
• 2 Phytopla...
• Activity! Acid Rain.
– Draw one of the following on a note card
depending on the number assigned.
• 1 Car D
• 2 Phytopla...
A
B C D E
F
G
H I J
K
L
M
NOPQ R
• Activity! Acid Rain.
– Draw one of the following on a note card
depending on the number assigned.
• 1 Car D
• 2 Phytopla...
Copyright © 2010 Ryan P. Murphy
• Map showing greatest acid rain
concentrations in the U.S.
• Map showing greatest acid rain
concentrations in the U.S.
• Map showing greatest acid rain
concentrations in the U.S.
• Map showing greatest acid rain
concentrations in the U.S.
• Map showing greatest acid rain
concentrations in the U.S.
• Map showing greatest acid rain
concentrations in the U.S.
• Map showing greatest acid rain
concentrations in the U.S.
• Activity! Acid Rain.
– Place each card on the board in a logical
manner to represent how Acid Rain forms,
travels, falls...
• Acid rain: Any form of precipitation that is
unusually acidic. Usually around a pH of 5
Copyright © 2010 Ryan P. Murphy
• Question: If you swim in a pond that is
affected by acid rain will you look like
this?
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• Answer: No! The change in pH (Acidity) will
be small. This will have a large impact on
the micro-organisms which then mo...
• You can now think about this question.
• You can now think about this question.
• Cleopatra’s Needle in Egypt. (Dry)
– Misnamed: They are ancient Egyptian
obelisks and not connected to Cleopatra.
– Thre...
• Brought to New York City
• Water + Chemical Pollution =
Copyright © 2010 Ryan P. Murphy
• Brought to New York City
• Water + Chemical Pollution =
Copyright © 2010 Ryan P. Murphy
• Activity / Video – View Video and Conduct
Activity
– http://www.youtube.com/watch?v=a5qRnbhtako
– Directions are on vide...
Universal Solvent: Liquid water is able toUniversal Solvent: Liquid water is able to
dissolve a large number of different...
• The polarity of water pulls in other molecules
and surrounds them with water molecules.
• The polarity of water pulls in other molecules
and surrounds them with water molecules.
– This makes water such a great ...
• Why are the water molecules attaching to
Na+?
• Remember the lopsided polar molecule of
water + and –
• Remember the lopsided polar molecule of
water + and – (Note how – and + attract)
• Na+ is Sodium.
• Cl- is Chloride.
• Together they make sodium chloride
(table salt).
• When mixed with water, they create salt
water.
• Water being the universal solvent is very
important because…
– Blood carries oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• Water being the universal solvent is very
important because…
– Blood carries Oxygen.
– Blood carries Carbon Dioxide away...
• You can now think about this question.
• 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/
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
pH Lesson PowerPoint, Acid, Base, Science
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pH Lesson PowerPoint, Acid, Base, Science

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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 "pH Lesson PowerPoint, Acid, Base, Science "

  1. 1. • Activity! pH Dangerous solutions. – Two mystery solutions. Which is the serious acid (1-2) and which is the base (12-14) 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Hydrochloric Acid Drain Cleaner Sodium Hydroxide
  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. • Which of the following would you drink? Copyright © 2010 Ryan P. Murphy
  7. 7. Acid Copyright © 2010 Ryan P. Murphy
  8. 8. Acid Water / neutral Base Copyright © 2010 Ryan P. Murphy
  9. 9. Acid Water / neutral Base Copyright © 2010 Ryan P. Murphy
  10. 10. Acid Water / Neutral Base Copyright © 2010 Ryan P. Murphy
  11. 11. Acid Water / neutral Base Copyright © 2010 Ryan P. Murphy
  12. 12. Acid Water / Neutral Base Sea water Copyright © 2010 Ryan P. Murphy
  13. 13. Acid Water / Neutral Base Sea water Copyright © 2010 Ryan P. Murphy
  14. 14. • The average pH of soft drinks, e.g. Coke/ Pepsi is a pH 3.4. This acidity is strong enough to dissolve teeth and bones! Copyright © 2010 Ryan P. Murphy
  15. 15. • The average pH of soft drinks, e.g. Coke/ Pepsi is a pH 3.4. This acidity is strong enough to dissolve teeth and bones! Copyright © 2010 Ryan P. Murphy
  16. 16. • Video Link! (Optional) Mtn. Dew Mouth. – How Mtn. Dew and other sodas can cause serious tooth decay if misused. – http://www.mefeedia.com/video/14377911 Copyright © 2010 Ryan P. Murphy
  17. 17. Water in a pure state has a neutral pH. Pure water is neither acidic or basic. Copyright © 2010 Ryan P. Murphy
  18. 18. • Water in a pure state has a neutral pH. – Pure water is neither acidic or basic. Copyright © 2010 Ryan P. Murphy Neutral:
  19. 19. • Water in a pure state has a neutral pH. – Pure water is neither acidic or basic. Copyright © 2010 Ryan P. Murphy Neutral: In the middle. Not favoring one side or the other.
  20. 20. • Water in a pure state has a neutral pH. – Pure water is neither acidic or basic. Copyright © 2010 Ryan P. Murphy
  21. 21. The pH scale goes 1-14 7 is neutral 1 is Acidic 14 is basic Copyright © 2010 Ryan P. Murphy
  22. 22. The pH scale goes 1-14 7 is neutral 1 is Acidic 14 is basic Copyright © 2010 Ryan P. Murphy
  23. 23. The pH scale goes 1-14 7 is neutral 1 is Acidic 14 is basic Copyright © 2010 Ryan P. Murphy
  24. 24. The pH scale goes 1-14 7 is neutral 1 is Acidic 14 is basic Copyright © 2010 Ryan P. Murphy
  25. 25. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  26. 26. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  27. 27. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  28. 28. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  29. 29. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  30. 30. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  31. 31. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  32. 32. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  33. 33. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  34. 34. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  35. 35. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  36. 36. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  37. 37. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  38. 38. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  39. 39. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  40. 40. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  41. 41. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  42. 42. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  43. 43. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  44. 44. • Please decided whether the box is placed in an area of the pH scale that is… – Acidic -Neutral -Basic
  45. 45. • What is the pH of the two pieces of Litmus Paper below?
  46. 46. • What is the pH of the two pieces of Litmus Paper below?
  47. 47. • What is the pH of the two pieces of Litmus Paper below?
  48. 48. • What is the pH of the two pieces of Litmus Paper below? Answer: pH of 10.
  49. 49. • What is the pH of the two pieces of Litmus Paper below? Answer: pH of 10. Is that an acid or base?
  50. 50. • What is the pH of the two pieces of Litmus Paper below? Answer: pH of 10. Is that an acid or base?
  51. 51. • What is the pH of the two pieces of Litmus Paper below?
  52. 52. • What is the pH of the two pieces of Litmus Paper below?
  53. 53. • What is the pH of the two pieces of Litmus Paper below?
  54. 54. • What is the pH of the two pieces of Litmus Paper below? Answer: pH of 3
  55. 55. • What is the pH of the two pieces of Litmus Paper below? Answer: pH of 3 Is that an Acid or a Base?
  56. 56. • What is the pH of the two pieces of Litmus Paper below? Answer: pH of 3 Is that an Acid or a Base?
  57. 57. • What color best represents distilled water?
  58. 58. • What color best represents distilled water?
  59. 59. • What color best represents distilled water? • Answer: Olive / Green
  60. 60. • What color best represents distilled water? • Answer: Olive / Green Is it an acid or a base?
  61. 61. • What color best represents distilled water? • Answer: Olive / Green Is it an acid or a base? Trick, It’s Neutral
  62. 62.  pH - An expression for the effective concentration of hydrogen ions in a solution. Copyright © 2010 Ryan P. Murphy
  63. 63. • The strength of an acid is based on the concentration of H+ (hydrogen) ions in the solution. Copyright © 2010 Ryan P. Murphy
  64. 64. • This is what can happen if your sensitive skin comes in contact with dangerous acid.
  65. 65. • This is what can happen if your sensitive skin comes in contact with dangerous acid.
  66. 66. • What if I am splashed with something that is extremely basic?
  67. 67. • The same result! Both ends of the pH scale are extremely dangerous and need to be respected.
  68. 68. • Acid burns are real and pose a very serious health risk. Know about them in your house and workplace. Copyright © 2010 Ryan P. Murphy
  69. 69. • Acid burns are real and pose a very serious health risk. Know about them in your house and workplace. – Always wear the proper safety gear when working with dangerous materials. Copyright © 2010 Ryan P. Murphy
  70. 70. • Picture of laborers collecting sulfur in a dangerous sulfur mine. Copyright © 2010 Ryan P. Murphy
  71. 71. • Picture of laborers collecting sulfur in a dangerous sulfur mine. – Life expectancy of these workers is very young as the sulfuric acid in the air they breath burns their lungs. Copyright © 2010 Ryan P. Murphy
  72. 72. • Picture of an acid lake on top of a volcano.
  73. 73. • The strength of a base is determined by the concentration of Hydroxide ions (OH-) Copyright © 2010 Ryan P. Murphy
  74. 74. • Activity! Using litmus paper to test solutions to see if they are acidic or basic. – Please wear goggles and gloves at all times and avoid any skin contact. Copyright © 2010 Ryan P. Murphy Learn more about pH and water at… http://ga.water.usgs.gov/edu/ph.html
  75. 75. • Available Sheet: Properties of Water. – Note: This will be due at the end of Part III. – Bring to class everyday.
  76. 76. • Activity! pH – Please create 7 small circles in a row. Use a penny to assist you.
  77. 77. • Activity! pH – Number your circles as follows. 1-2 2-4 4-6 6-8 8-10 10-12 12-14
  78. 78. • Activity! pH – These will be done after all others. 1-2 2-4 4-6 6-8 8-10 10-12 12-14
  79. 79. • Activity! pH – Color your circles according to the Litmus Paper. 1-2 2-4 4-6 6-8 8-10 10-12 12-14
  80. 80. • Activity! pH – Color your circles according to the Litmus Paper. 1-2 2-4 4-6 6-8 8-10 10-12 12-14
  81. 81. • Activity! pH – Visit each solution, test the pH and record the name of the solution under the correct circle. 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Optional: Teacher can pass out several popsicle sticks to each student. After pH has been recorded with litmus paper, students can dip popsicle stick into each solution and taste / label above. (Avoid contamination so dispose of stick after each taste) See Next Slide.
  82. 82. • Activity! pH – Visit each solution, test the pH and record the name of the solution under the correct circle. 1-2 2-4 4-6 6-8 8-10 10-12 12-14
  83. 83. • Activity! pH – Visit each solution, test the pH and record the name of the solution under the correct circle. 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Food coloring used to hide solutions
  84. 84. • Activity! pH – Visit each solution, test the pH and record the name of the solution under the correct circle. 1-2 2-4 4-6 6-8 8-10 10-12 12-14
  85. 85. • Activity! pH – Visit each solution, test the pH and record the name of the solution under the correct circle. 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Vinegar Milk Salt Lemon Baking Cola Soapy Pure Water Juice Soda Water Water
  86. 86. • Activity! pH – Visit each solution, test the pH and record the name of the solution under the correct circle. 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Vinegar Milk Salt Lemon Baking Cola Soapy Pure Water Juice Soda Water Water 2.4 6.8 8 4 9 4 8 7
  87. 87. • Activity! pH – Visit each solution, test the pH and record the name of the solution under the correct circle. 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Vinegar Milk Salt Lemon Baking Cola Soapy Pure Water Juice Soda Water Water 2.4 6.8 8 4 9 4 8 7
  88. 88. • Activity! pH – Visit each solution, test the pH and record the name of the solution under the correct circle. 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Vinegar Milk Salt Lemon Baking Cola Soapy Pure Water Juice Soda Water Water 2.4 6.8 8 4 9 4 8 7
  89. 89. Copyright © 2010 Ryan P. Murphy
  90. 90. • Activity! Using litmus paper to test solutions to see if they are acidic or basic. – Please wear goggles and gloves at all times and avoid any skin contact. Copyright © 2010 Ryan P. Murphy
  91. 91. • Activity! Using litmus paper to test solutions to see if they are acidic or basic. – Please wear goggles and gloves at all times and avoid any skin contact. Copyright © 2010 Ryan P. Murphy Acid
  92. 92. • Activity! Using litmus paper to test solutions to see if they are acidic or basic. – Please wear goggles and gloves at all times and avoid any skin contact. Copyright © 2010 Ryan P. Murphy Acid Base
  93. 93. • Activity! pH Dangerous solutions. – Two mystery solutions. Which is the serious acid (1-2) and which is the base (12-14) 1-2 2-4 4-6 6-8 8-10 10-12 12-14
  94. 94. • Activity! pH Dangerous solutions. – Two mystery solutions. Which is the serious acid (1-2) and which is the base (12-14) 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Hydrochloric Acid
  95. 95. • Activity! pH Dangerous solutions. – Two mystery solutions. Which is the serious acid (1-2) and which is the base (12-14) 1-2 2-4 4-6 6-8 8-10 10-12 12-14 Hydrochloric Acid Drain Cleaner Sodium Hydroxide
  96. 96. • Test two mystery substances to see which is a dangerous acid, and which is a dangerous base.
  97. 97. • Test two mystery substances to see which is a dangerous acid, and which is a dangerous base.
  98. 98. • Test two mystery substances to see which is a dangerous acid, and which is a dangerous base. Sodium Hydroxide (Basic)
  99. 99. • Test two mystery substances to see which is a dangerous acid, and which is a dangerous base. Sodium Hydroxide (Basic) Hydrochloric Acid (Acidic)
  100. 100. • Lab Activity! Teacher Demo. (Optional) – Requires lab goggles and gloves and apron. – Please create four circles and label them… Copyright © 2010 Ryan P. Murphy CopperCopper
  101. 101. • Demonstration! Acids and Bases – Add 5 drops of diluted HCL (6 molar) acid to each test tube / metal and record findings in the circles. – Look for bubbling, gas release, and color changes. Copyright © 2010 Ryan P. Murphy Copper
  102. 102. • Demonstration! Acids and Bases – Add 5 drops of diluted HCL (6 molar) acid to each test tube / metal and record findings in the circles. – Look for bubbling, gas release, and color changes. Copyright © 2010 Ryan P. Murphy Copper
  103. 103. • Demonstration! Acids and Bases – Add 5 drops of diluted HCL (6 molar) acid to each test tube / metal and record findings in the circles. Will burn skin and eyes! – Look for bubbling, gas release, and color changes. Copyright © 2010 Ryan P. Murphy Copper
  104. 104. • Demonstration! Acids and Bases – Add 5 drops of diluted HCL (6 molar) acid to each test tube / metal and record findings in the circles. – Look for bubbling, gas release, and color changes. Copyright © 2010 Ryan P. Murphy Copper
  105. 105. • Hydrochloric Acid can induce chemical change. • Zn + 2HCl -----> ZnCl2 + H2 (gas) Copyright © 2010 Ryan P. Murphy
  106. 106. • Hydrogen Explosive Bubbles Video Link – http://www.youtube.com/watch?v=zrg8XlHEDJ8 Copyright © 2010 Ryan P. Murphy
  107. 107. • Water has a neutral pH, and therefore dissolves solutions or compounds of any pH. Copyright © 2010 Ryan P. Murphy
  108. 108. • Acid Rain is caused by Nitrogen and Sulfur dioxides. aka – Air pollution. Copyright © 2010 Ryan P. Murphy NO3NOx SO2
  109. 109. • Video Link! Acid Rain – http://www.youtube.com/watch?v=HE6Y0iEuXMQ
  110. 110. • Activity! Acid Rain. – Draw one of the following on a note card depending on the number assigned. • 1 Car D • 2 Phytoplankton O • 3 Fish Q • 4 Pond N • 5 Forest Fire E • 6 Factory C • 7 Condensation G • 8 Wind I • 9 Rain Cloud J • 10 Precipitation K • 11 Insects R • 12 Volcano B • 13 Dead Fish F • 14 Sensitive Mtn .Plants M • 15 Dead Pine tree L • 16 Coal underground A • 17 Dead Insects P • 18 Cloud H Copyright © 2010 Ryan P. Murphy
  111. 111. • Activity! Acid Rain. – Draw one of the following on a note card depending on the number assigned. • 1 Car D • 2 Phytoplankton O • 3 Fish Q • 4 Pond N • 5 Forest Fire E • 6 Factory C • 7 Condensation G • 8 Wind I • 9 Rain Cloud J • 10 Precipitation K • 11 Insects R • 12 Volcano B • 13 Dead Fish F • 14 Sensitive Mtn .Plants M • 15 Dead Pine tree L • 16 Coal underground A • 17 Dead Insects P • 18 Cloud H Copyright © 2010 Ryan P. Murphy On the next slide you will place your note card one at a time and try to create how air pollution becomes acid rain and how it effects the ecosystem.
  112. 112. A B C D E F G H I J K L M NOPQ R
  113. 113. • Activity! Acid Rain. – Draw one of the following on a note card depending on the number assigned. • 1 Car D • 2 Phytoplankton O • 3 Fish Q • 4 Pond N • 5 Forest Fire E • 6 Factory C • 7 Condensation G • 8 Wind I • 9 Rain Cloud J • 10 Precipitation K • 11 Insects R • 12 Volcano B • 13 Dead Fish F • 14 Sensitive Mtn .Plants M • 15 Dead Pine tree L • 16 Coal underground A • 17 Dead Insects P • 18 Cloud H Copyright © 2010 Ryan P. Murphy
  114. 114. Copyright © 2010 Ryan P. Murphy
  115. 115. • Map showing greatest acid rain concentrations in the U.S.
  116. 116. • Map showing greatest acid rain concentrations in the U.S.
  117. 117. • Map showing greatest acid rain concentrations in the U.S.
  118. 118. • Map showing greatest acid rain concentrations in the U.S.
  119. 119. • Map showing greatest acid rain concentrations in the U.S.
  120. 120. • Map showing greatest acid rain concentrations in the U.S.
  121. 121. • Map showing greatest acid rain concentrations in the U.S.
  122. 122. • Activity! Acid Rain. – Place each card on the board in a logical manner to represent how Acid Rain forms, travels, falls, and damages ecosystems. Copyright © 2010 Ryan P. Murphy
  123. 123. • Acid rain: Any form of precipitation that is unusually acidic. Usually around a pH of 5 Copyright © 2010 Ryan P. Murphy
  124. 124. • Question: If you swim in a pond that is affected by acid rain will you look like this?
  125. 125. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  126. 126. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  127. 127. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  128. 128. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  129. 129. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  130. 130. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  131. 131. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  132. 132. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  133. 133. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  134. 134. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  135. 135. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
  136. 136. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain. The result, a lake that looks beautiful but is biologically dead.
  137. 137. • Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain. The result, a lake that looks beautiful but is biologically dead. Learn more about acid rain at… http://www.epa.gov/acidrain/
  138. 138. • You can now think about this question.
  139. 139. • You can now think about this question.
  140. 140. • Cleopatra’s Needle in Egypt. (Dry) – Misnamed: They are ancient Egyptian obelisks and not connected to Cleopatra. – Three were removed from Egypt and brought to London, Paris and New York. Copyright © 2010 Ryan P. Murphy
  141. 141. • Brought to New York City • Water + Chemical Pollution = Copyright © 2010 Ryan P. Murphy
  142. 142. • Brought to New York City • Water + Chemical Pollution = Copyright © 2010 Ryan P. Murphy
  143. 143. • Activity / Video – View Video and Conduct Activity – http://www.youtube.com/watch?v=a5qRnbhtako – Directions are on video. – Draw a before and after along with a quick procedure. – Materials, glass, chalk, vinegar, paper clip. Copyright © 2010 Ryan P. Murphy
  144. 144. Universal Solvent: Liquid water is able toUniversal Solvent: Liquid water is able to dissolve a large number of differentdissolve a large number of different chemical compounds.chemical compounds. Copyright © 2010 Ryan P. Murphy
  145. 145. • The polarity of water pulls in other molecules and surrounds them with water molecules.
  146. 146. • The polarity of water pulls in other molecules and surrounds them with water molecules. – This makes water such a great solvent.
  147. 147. • Why are the water molecules attaching to Na+?
  148. 148. • Remember the lopsided polar molecule of water + and –
  149. 149. • Remember the lopsided polar molecule of water + and – (Note how – and + attract)
  150. 150. • Na+ is Sodium.
  151. 151. • Cl- is Chloride.
  152. 152. • Together they make sodium chloride (table salt).
  153. 153. • When mixed with water, they create salt water.
  154. 154. • Water being the universal solvent is very important because… – Blood carries oxygen. – Blood carries Carbon Dioxide away.. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy
  155. 155. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away.. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy O2 O2 O2 Away from lungs
  156. 156. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy CO2 CO2 CO2 Toward lungs
  157. 157. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy
  158. 158. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy
  159. 159. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away. – Blood carries sugar. – Blood carries minerals. Salts help conduct… – Blood carries medicine. – Blood carries hormones – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy
  160. 160. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy
  161. 161. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones. – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy
  162. 162. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones. – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy
  163. 163. • Water being the universal solvent is very important because… – Blood carries Oxygen. – Blood carries Carbon Dioxide away. – Blood carries sugar. – Blood carries minerals. – Blood carries medicine. – Blood carries hormones. – Blood carries immune cells. – Blood carries out many more important functions. Copyright © 2010 Ryan P. Murphy
  164. 164. • You can now think about this question.
  165. 165. • http://sciencepowerpoint.com/
  166. 166. 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
  167. 167. http://www.teacherspayteachers.com/Product/Physical-Science-Curriculum-59http://www.teacherspayteachers.com/Product/Life-http://www.teacherspayte
  168. 168. • 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
  169. 169. 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
  170. 170. • 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
  171. 171. • http://sciencepowerpoint.com/

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