The document outlines a microteaching lesson plan for a 7th-grade science class focusing on acids and bases. It details the objectives, questions asked by the teacher, student responses, and various teaching techniques, such as positive reinforcement and writing on the blackboard. Additionally, it provides a summary of natural indicators, specifically mentioning china rose and turmeric.

1. Microteaching : Reinforcement Skill
Lesson Plan
Name of student Teacher: ABC Date: 20/04/21
Class: 7th Day: Tuesday
Subject: Science Time Duration: 5-7 min
Topic: Acids and Base
Objective: To practice the component of reinforcement skill .
Student Teacher Behavior Student Behavior Component
Q.1 When you eat lemon, oranges or
tamarind, how do they taste?
They are sour.
Good PVR
Q.2 why do they taste sour?
They are sour in taste because
they are acidic in nature.
Very Good PVR
Q.3 Do all acids have sour taste?
Yes, all acids have sour taste.
( Teacher nodes her head in approval.) PNVR
Q.4 Give four examples of acids?
Curd, vinegar, grapes and tomato
are some examples of acids.
( Teacher write student answer on black
board.)
WPABB
Q.5 What is color of acids?
Most of the acids are colorless
but (pause)
Hm! Hm! EVC
But some acids look colorful
( Teacher repeat the answer of student) R & R
Q6. When you mix lemon juice in water ,
what do you see?
Juice is soluble in water
Yes PVR
Q.7 what does it mean?
It means that acids are soluble in

2. water.
Ok PVR
Q.8 What are the uses of acids?
Domestic use, cleaning ,
medicine, fertilizer etc.
( Teacher write answer of student on a
blackboard.)
WPABB
Q.9 What is the taste of baking soda and
soap?
They are bitter in taste.
Right PVR
Q.10 Give the name of any four substances
that are basic in nature?
Substances that are basic in
nature are milk, water (pause)
( Teacher repeat and rephrase student
answer)
Substances that are basic in nature are
milk, water, Chewing gum and sugar etc
R & R
Q.11 What is indicator?
These are the substances that are
used to identify the given
substances whether they are acid
or base.
( Teacher patting on the back of student) PNVR
Q.12 Give the name of two naturally
occurring indicator?
Natural indicators are - China
rose and turmeric
( Teacher write answer of student on a
blackboard.)
WPABB
Q.13 what is litmus paper?
Litmus is natural indicator which
is extracted from lichens. It
available in the form of strips of
paper known as litmus paper.

3. (pause)
( Teacher nodes her head in approval.) PNVR
It is also available two color that
is red litmus paper and blue
litmus paper
( Teacher repeat and rephrase student
answer)
Litmus is natural indicator which is
extracted from lichens. It available in the
form of strips of paper known as litmus
paper.
It is also available two color that is red
litmus paper and blue litmus paper
R & R
Q.14 What are the different properties of
litmus?
Litmus have following
properties-
1) It gives purple color in
distilled water.
2) It turns into red when
added in acidic solution.
3) It turns into when added
in basic solution.
Excellent PVR
Q.15 What is neutralization process?
When acid and base react with
each other and form water and
salt, this process is called
neutralization.
( Teacher write answer of student on a
blackboard.)
WPABB

4. Observation Table
Component Tally Frequency
PVR (Positive verbal Reinforcement) IIII I 6
PNVR ( Positive Non Verbal Reinforcement) III 3
EVC (Extra Verbal Cues) I 1
R & R (Repeating and Rephrasing) III 3
WPABB ( Writing Pupil Answer on Black Board) IIII 4
Black Board Summary
Signature Table
Student Teacher
Signature
Peer Observers
Signature
Supervisor
Signature
Subject Teacher
Signature
Principal
Signature
Name of Student Teacher: ABC Date: 20/04/21
Class: 7th Day: Tuesday
Subject: Science Duration:5 to 7 min
Topic: Acid and Base
Natural Indicators are-
• China rose
• Turmeric