Physical Science Model Lesson Plans, AP SSC Physics Model Lesson Plan.
AP SSC Physics Model Lesson Plan
Name of the Lesson : ACIDS, BASES & SALTS
Subject: Physical Science
C lass: 10th Class;
No. of Periods : 8
Below Lesson plan was prepared by V.V.JANAKIRAM, School Assistant, PS, GVMC High School, Madhuranagar, Visakhapatnam. Phone 9885166530
ACADEMIC STANDARDS TO BE ACHIEVED:
- Conceptual Understanding :
Definitions: Children are able to define Concepts of
1) Natural Indicators
2) Synthetic indicators
3) Olfactory indicators
5) Strong acids
7) Strong Bases
8) PH Scale
11) Water of Crystallisation
12) Strong Acid etc.,
Explanations: Children are able to explain
1) Reactions of Metals with Acids
2) Reactions of Metals with bases
3) Reactions of Carbonates with Acids
4) Reactions of Metal Hydrogen Carbonates ( Bicarbonates) with acids
5) Reactions of Metallic oxides with acids
6) Reactions of Non metallic oxides with bases
7) Reactions of Acids with Bases
8) Neutralization reactions
9) Uses of Acids & Bases in every day life
10) Uses of Bleaching powder, plaster of paris, Baking soda, Washing soda etc.,
Examples: Children are able to cite examples for
1) Acids , Bases, Strong Acids, Strong Bases, Salts, Acidic Salts and Basic Salts etc.,
2) Various natural products containings acids / bases.
3) Uses of Common Salt, Hydrogen, Chlorine , Sodium hydroxides in our daily life.
4) Reactions of Metals with Acids
5) Reactions of Metals with bases
6) Reactions of Carbonates with Acids
7) Reactions of Metal Hydrogen Carbonates ( Bicarbonates) with acids
8) Reactions of Metallic oxides with acids
9) Reactions of Non metallic oxides with bases
10) Neutralization reactions
11) Uses of Acids & Bases in every day life
12) Uses of Bleaching powder, plaster of paris, Baking soda, Washing soda etc.,
Reasons: Students are able to give reasons for
1 Why pickles are not stored in Metal containers ?
2) Colorless Lime water turns to milky white when Carbon dioxide gas is passed.
3) Change of yellow colour of base ( When 2or3 drops of methyl orange is added) to colourless and then to Red when an acid is added drop by drop.
4) Rusting of Iron vessels
5) Fall of Acid rains
6) Pop sound when a burning match stick is kept near the hydrogen gas produced.
7) Necessity to take Antacid tablets , when someone suffers with indigestion.
8) Difference in the intensity of light when electric circuit of Activity 7 kept in HCl and Acetic Acid
9) Cause of tooth decay
10) Under what soil conditions a farmer would treat the soil of his fields with quicklime or calcium carbonate ?
11) Cause of Irritation and pain when a bee bites.
12) Colour change of CuSO4 in dry and wet conditions.
13) Why acids or bases are added to water but not in reverse.
Differences: Students are able to give differences between :
1) Acids and Bases
2) Metallic Oxides and Non Metallic oxides
3) PH of Acids & Bases
4) Strong acid, Weak Acid
5) Strong Base, Weak Base
6) Gypsum, Plaster of Paris
Brain Mapping : More Information in PDF file
2) Asking Questions & Making Hypothesis:
1) Children are able to hypothesize the characteristics of substances and classify them as Acids, Bases and Salts after testing with Indicators like Methyl orange, Litmus paper or Phenolphthalein.
2) Children further hypothesize the differences between strong acid and weak acid or Strong base and Weak base.
3) Children are able to ask the question related to acids/bases/ salts and their reactivity with different substances.
4) Children are able to hypothesize the products obtained after the chemical reactions of acids or bases.
5) Children are able to ask different question related to the properties and uses of acids/bases in our day to day activities.
3) Experimentation and Field Investigation :
Students are able to do the following experiments on their own under the guidance of teacher
1) Testing Acids, Bases and Salts with Litmus papers, Methyl Orange indicator, Phenolphthalein Indicator and Universal Indicator to know its PH value.
2) Reactions of metals with acids ( LAB ACTIVITY , Hydrogen gas is evolved )
3) Reactions of metals with base ( ACTIVITY 3, Hydrogen gas is evolved )
4) Reactions of Carbonates and Metal hydrogen carbonates with acid ( ACTIVITY 4 : Carbon dioxide is one of the product )
5) Reactions of Acids with Bases ( ACTIVITY : 5, Neutralization reaction )
6) Reactions of Metallic oxides with Acids ( ACTIVITY:6 , Neutralization Reaction )
7) Reactions of Non metallic oxides with Bases ( Neutralization Reaction )
8) Testing of Strenghth of Acids or Bases to Classify them as Strong or Weak on ionizing their diluted solutions by passing electricity.(Activity 7, Activity 10 )
9) Testing the production of ions only in aqueous solution ( Activity 8 )
10) Process of making dilute acids or bases ( Activity 9 )
11) Testing the Acidity or Basicity of different chemicals or extractions from different fruits or vegetables or fluids of animals or human beings. ( Activity 11)
12) Testing basicity of antacid tablets ( Activity 12 )
13) Testing PH of the soil collected ( Activity 13 )
14) Removing water of crystallization ( Activity 16 )
15) Converting plaster of paris to gypsum by mixing with water.
4) Information Skills and Projects :
Students are able to
1) Analyze the PH of different solutions collected and predict their acidic or basic natures.
2) Collect different substances used in our kitchen and classify them as acids or bases upon testing with indicators.
3) Collect information through Internet, Newspapers, teachers, elders about the uses of acids , bases and salts.
4) To Separate the chemicals in the laboratory and arrange them in different racks based on their acidic/basic/Neutral nature.
5) Collect information regarding the fertilizers, pesticides, fungicides, medicines and tabulate the various chemicals ( particularly acids/bases/salts ) used in them.
5) Communication through Drawing and Model making :
Children are able to explain their conceptual understanding by
1) Drawing experimental setup of several reactions discussed.
2) Tabluate the acids & bases based on their PH values.
3) Arrange acids or bases in increasing or decreasing order based of PH values or colour of solutions with Universal indicator
4) Making model of PH scale.
5) Drawing chart of warning signs displayed on container containing concentrated acids and bases.
6) Appreciation and Aesthetic sense, values :
Children are able to appreciate
1) The role of acids, bases, salts in our daily life.
2) The role of nature and elements and relation among them.
3) The role of plaster of paris in making decorative articles, in medicine and in industry etc.,
4) Children are able to follow constitutional value after knowing about the Salt Satyagraha lead by the father of Nation, Mahatma Gandhiji
5) Children are able to appreciate the role of salts for production of chlorine, hydrogen, sodium hydroxide.
6) And recognize the value of chlorination of water,
7) Application to daily life and concern to bio diverstiy :
Children are able to utilize scientific concepts …
1) of acids/bases/salts in his/her daily life situations.
2) And think, search for innovative reasons for the blind believes of the people.
3) And try to apply concepts of learning in finding solutions for several problems/situations in his daily life
4) Able to show concern towards bio diversity.
TEACHER NOTES 🙁 Reference books )
- CBSE, NCERT, ICSE books of Class 8, 9 and 10
- APSCERT books of class 7 and class 10 and 8 (old text book )
- AP state Board of Intermediate Education