Class: 9th std Subject: Science Month: September
Transcript of Class: 9th std Subject: Science Month: September
Alternate Educational Plan for the Month of September 2021-22
Class: 9th std Subject: Science Month: September
Chapters: 1.Force and laws of motion
2.The fundamental unit of life
Sl.
No Month
/Week Important Learning
competencies Learning activities
Evaluation
1.
September
1st week
•Knowing the
relationship between
force and motion.
• Will observe changes
in the rate of
movement of objects
with force.
• Will Identify the
force will change the
shape of the object.
• Watch the change by applying the force
on easily available ball, toy car, goalie
etc.
• Identify the difference in the movement
of a loud and slow blow ball with the
help of a straw on a lighter plastic ball.
• Performing the shaping activity of clay.
• Explain the equilibrium state by
weighing a pellet or pendulum tied to a
string.
1.Identify the terms
related to force in the list given
below.
1)Motion,
2)Chemical Reaction,
3) Enhancement,
4) Combination,
5)Momentum,
6) Acceleration,
7)Push &lifting.
2. As the Sailor jumps
in the forward direction the boat
moves backwards. Give reason.
3. what is Balanced force?
Give two Examples.
• Describes the
Balanced and
Unbalanced forces.
• Defining and
interpreting Newton's
first law of motion.
• Create two groups of students and play a
rope game.
• Samveda classrooms video link
Use the video link to understand the
Balanced and unbalanced forces.
https://www.youtube.com/watch?v=wWhiIRDvBkk •Ask them to watch by Placing a piece of
wood on a table and letting the desk slide
down to keep track of its movement and
balance.
Encircle the unbalanced force
from the following. 1) motion of
the Earth, 2) Rolling Ball, 3)
sleigh,
&4) Press the inflatable balloon
with two palms.
4. Complete the Activity sheet-1.
2. September
2nd week
(Chapter-1)
• Applying Newton's
First law of motion to
inertia.
• Knows the
relationship between
inertia and mass.
• Will Narrate the
second law of motion.
• activity of peddling bicycle.
• Activity to run children on the slopes.
• Activity of hitting a big pellet from a
small pellet.
1) What is inertia?
(Text book –1, page
Number 50 from 3rd main page)
2)Give reason, when you are riding
a bicycle on slope, while applying
the break hardly, the bicycle does
not stop immediately?
• Tie a thread to the book and keep on a
table, pull the book with the help of
thread, increase the number of books one
by one, and measuring the magnitude of
force, mass &acceleration.
• Samveda classrooms video link
Use the video link to understand the
the second law of motion.
https://www.youtube.com/watch?v=2aYr
NqUHYZo&list=PLomwVsWvoAB6U1-
lzFeJRL0xE3bTUXqUH&index=115
3) Write the following inertia in
ascending order. 1) Bus 2) Train
3) Cycle and 4) Car.
3.
September
3rd week
(Chapter-1)
•To know the
relationship between
magnitude of
acceleration, force and
mass.
• Will understand the
mathematical form of
Newton's second law.
• Solving the problem
related to Newton's
law.
• Measure the Acceleration and distance
travelled by applying the same magnitude
of force on iron bullet and a plastic ball.
• Samveda classrooms video link
Use the video link to understand the
the second law of motion.
4) Text book –1, page
Number 50 from 2nd main page
5) Complete the Activity sheet- 3
6) Text book –1, page
Number 50 from 3rd main page)
7) Define Newton's third law of
motion.
8) Complete the Activity sheet- 2.
• Knowing the
Newtons third law of
motion.
• https://www.youtube.com/watch?v=h
Rfgg0eRtm8&list=PLomwVsWvoAB
6U1-
lzFeJRL0xE3bTUXqUH&index=118
•Defining the unit activity number 9.4.1
• Solving exercise problems.
• Discuss the movement of Swimming,
rocket movement, bow-to-arrow
movement.
• Samveda classrooms video link
Use the video link to understand the
the third law of motion.
•https://www.youtube.com/watch?v=2aYr
NqUHYZo&list=PLomwVsWvoAB6U1-
lzFeJRL0xE3bTUXqUH&index=115
Complete the Activity Sheet 4&5
4. September
4th
week(Chapt
er-2)
• Understanding the
Microscope and its
parts.
• Understands cell
structure and function.
• Demonstration of using a microscope.
• Cell view in the onion membrane as in
activity 5.1.
In foldscope Use the Diksha video link to
view onion peel cells.
1.What is the difference between
simple and compound microscopes.
2.What is a cell?
3. Briefly describe the process of cell
viewing in the onion membrane.
• Explains the structure
and functions of the
cell membrane, nucleus
and cell organelles in
the cell.
https://diksha.gov.in/play/collection/do_31
3130471440498688198?contentId=do_31
3067658312990720114804
• Collection of information about the
Robert Hook.
• Demonstrating Activity 5.3,5.4&5.5
with video clips.
• Collection of information on Camillo
Golgi.
• Preparing the table of cell organelles and
their functions
• Video link: View the cell's full
information.
•https://youtu.be/yz3im4lcD5Y
• Consulting activities:
1.Collection of leaves of various plants
and observation of different shaped cells
in Epidermal tissue.
2.Experiment of osmosis by using
potatoes.
https://diksha.gov.in/play/collection/do
_313130471440498688198?contentId
=do_3130639459144908801808
3.Preparinga table on comparisons and
differences in plant and animal cells.
Complete the Activity sheet- ೦9
4.What is Osmosis?
5.What is the function of the cell
membrane?
6.state the functions of chloroplast and ribosome.
Complete the Activity sheet – 06
(Page 19 of text Book-1)
Complete the Activity sheet – 07
7.Draw a neat labelled diagram of
Plant cell and Animal cell.
(Page 18 of text Book -1)
Complete the Activity sheet – 08
Complete the Activity sheet – 10
Activity sheet-1 I .Identify the Balanced and unbalanced forces in the statements below
1. A book placed on a table _____________________________
2. A boy slipping on a slippery carriage ___________________
3. A man who dives down from a parachute ________________
4. A moving car with a fixed jaw. ________________________
5.The act of juggling 2 ends of the rope with equal force. ______
II.Look at these pictures and answer.
1) How do you apply Newton's first law to this picture.
2) Name the balanced and unbalanced forces in figure one and two.
3) How do you apply the relationship of inertia and mass in this picture.
4) Here, what is the reason the car to move forward?
Activity sheet-2 1. Define the Newton's first, second and Third of Laws motion.
2. What is inertia? Write two examples
3.How do you apply Newton's third law when jumping over.
4.How would you characterize the statement that "a fast-moving bike can
cause more damage than a slow-moving bus".
Activity sheet-3
1.Write two example for unbalanced force.
2.What is another name for the first law of motion?
3.Write the mathematical formula of the second law of motion.
4.What is acceleration? Write the formula for finding it.
Activity sheet - 4 I.Match the following:
II. Identify the correct and incorrect statements 1.The forces of the same magnitude that move in opposite directions keep the object in
equilibrium.
2.The power circuit turns on for a few seconds even after the switch is turned off. Because It is
not subject to inertia
3.Statement (2) related to Newton's Second law
4.Net force is the sum of all the forces exerted on an object.
III. Write simple examples of Newton's Third law in your own sentence.
A B Force Scalar Quantity Inertia Mass * Speed Mass Newtons third law Momentum Vector Quantity
Action and Reaction Newtons first law
Newtons Third law
Example 1 Example 2
Activity sheet-5 I. Indicate the law for the images in the table, and Justify in your own simple sentences.
Sl.No. Picture Applicable
Newton's law Justification
1
2
3
4
5
6
7
8
9
Activity sheet-6 I. Complete the following table with regard to the Part of plant and animal
cells/Cell Organelles
II.List the following:
Membranous Cell Organelle Non-Membranous Cell Organelle
III. Write the difference of the following:(Page 17 of the Text Book)
Mitochondria Chloroplast
Part of Cell/Cell Organelle Plant cell Animal Cell
Cell membrane Present Present
Cell Wall Present Absent
Nucleus
Mitochondria
Lysosome
Ribosome
Centrosome
Chloroplast
Golgi Complex
Endoplasmic reticulum
Activity sheet-7
I. Name the table in the table below and write their function.
Cell organelle Name Function
1
2
3
4
II. Name the following Cell organelles:
1) Kitchen of the plant cell -
2) Power house of the cell -
3) Storage Room of the cell
4) Chemical Factory of the cell -
5) Suicide bag of the cell -
6) Protein Factory of the cell -
Activity sheet-8 1.Identify and name the following different Cells
2.Identify Cell Organelles that are common in both plant and animal cells
3.Write any four differences between plant and animal cells
Sl.No. Animal Cell Plant Cell
1
2
3
4
1)
2)
3)
4)
5)
6)
7)
Activity sheet-9
1. Identify the following image and name the activity:
2. What causes the increase in the level of solute in the second image in this activity?
Name that action.
3.Write the difference between the following: (Text book page number 18)
Diffusion Osmosis
Activity sheet-10 1.Write the difference between the following: (Text Book page number 17)
Prokaryote Eukaryote
2.Identify the prokaryote and the eukaryote cell in thefollowing images and give reason
Bacteria Onion Cells