the vikasa school, tuticorin class: viii to ix subject:chemistry...
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The Vikasa School, Tuticorin
Class: VIII to IX Subject:Chemistry
Formula Writing Exercise A
For each box write the chemical formula of the compound formed by the cation at the head
of the column and the anion at the left of the row.
Li
+
Mg 2+
NH
+
4
Al 3+
Na
+
Ba 2+
K +
Ca 2+
Br −
LiBr
SO 2− 4
O
H −
F −
O 2−
NO −
3
PO 3− 4
Cl −
S 2−
I −
CO 2− 3
The Vikasa School, Tuticorin
Class: VIII to IX Subject: Chemistry
Formula Writing Exercise B
Write the formula for each ion below the ion’s name, then fill in the blanks with the correct
formula and name of the compound formed by the combination of ions.
Chloride ion Hydroxide ion Nitrate ion Sulfide ion Sulfate ion Phosphate ion
Sodium ion NaCl
sodium chloride
Copper (I) ion
Ammonium
ion
Calcium ion
Iron (II) ion
Iron (III) ion
Aluminum
ion
The Vikasa School, Tuticorin
Class: VIII to IX Subject: Chemistry
Give a correct chemical name for each of the following compounds:
1. MgO magnesium oxide
2. PbI2
3. FeS
4. ZnSO4
5. Li2CO3
6. Ba(NO3)2
7. NH4NO2
8. K2SO3
9. CrCl3
10. Mg3N2
11. Ca3(PO4)2
12. KMnO4
13. Hg2Cl2
14. NaHCO3
15. CCl4
16. NO2
19. N2O5
20. PBr5
21. CaO2
22. HCl(aq)
23. HNO3(aq)
24. H2SO3(aq)
25. H3PO4(aq)
The Vikasa School, Tuticorin
Class: VIII to IX Subject:Chemistry
Write chemical formulas for the following compounds:
1. Potassium iodide
2. Barium sulfate
3. Aluminum nitrate
4. Copper (II) carbonate
5. Gold (III) chloride
6. Ferric hydroxide
7. Lead (II) chromate
8. Nickel (II) hydroxide
9. Mercury (II) bromide
10. Silver acetate
11. Magnesium chlorate
12. Sodium peroxide
13. Manganese (II) phosphate
14. Ammonium sulfide
15. Platinum (IV) fluoride
16. Chromium (III) hydroxide
17. Calcium oxalate
18. Antimony trichloride
19. Ammonia
20. Silicon dioxide
21. Carbon monoxide
22. Hydrobromic acid
23. Nitrous acid
24. Acetic acid
25. Sulfuric acid
The Vikasa School, Tuticorin
Class: VIII to IX Subject:Chemistry
Balancing the following chemical reactions
Balancing Chemical Equations
1) ____ N2 + ____ H2 → ____ NH3
2) ____ KClO3 → ____ KCl + ____ O2
3) ____ NaCl + ____ F2 → ____ NaF + ____ Cl2
4) ____ H2 + ____ O2 → ____ H2O
5) ____ Pb(OH)2 + ____ HCl → ____ H2O + ____ PbCl2
6) ____ AlBr3 + ____ K2SO4 → ____ KBr + ____ Al2(SO4)3
7) ____ CH4 + ____ O2 → ____ CO2 + ____ H2O
8) ____ C3H8 + ____ O2 → ____ CO2 + ____ H2O
9) ____ C8H18 + ____ O2 → ____ CO2 + ____ H2O
10) ____ FeCl3 + ____ NaOH → ____ Fe(OH)3 + ____NaCl
11) ____ P + ____O2 → ____P2O5
12) ____ Na + ____ H2O → ____ NaOH + ____H2
13) ____ Ag2O ____ Ag + ____O2
14) ____ S8 + ____O2 → ____ SO3
15) ____ CO2 + ____ H2O → ____ C6H12O6 + ____O2
16) ____ K + ____ MgBr2 → ____ KBr + ____ Mg
17) ____ HCl + ____ CaCO3 → ____ CaCl2 + ____H2O + ____ CO2
18) ____ HNO3 + ____ NaHCO3 → ____ NaNO3 + ____ H2O + ____ CO2
19) ____ H2O + ____ O2 → ____ H2O2
20) ____ NaBr + ____ CaF2 → ____ NaF + ____ CaBr2
VIK/CL IX/PHY Page 1 of 4
DAY – 1
CHAPTER 1A
Work card - 1
1) How will you express the result of a measurement of a physical quantity?
2) Write the conditions for an unit to be chosen internationally?
3) Write the difference between fundamental units and derived units and give two
examples.
4) Use prefix for the following :
i) 2.5 x 10 -12 Hz
ii) 5.0 x 10 6 ohm
iii) 3.2 x 10 9 F
5) Define measurement.
6) Define unit and write the two parameters for expressing a physical quantity.
7) Complete the following :
Quantity Unit Symbol
Length
kilogram
Time
Temperature
cd
Electric current
mole
Angle
steradian
DAY – 2
CHAPTER 1A
Work card – 2
1) Define a metre, one kilogram and a second.
2) i) Write three sub units and one most common multiple unit of metre.
ii) Express (i) in terms of metre.
3) Write the non-metric units of length and define them.
4) Calculate the following:
i) 1 parsec into metre
ii) 1 parsec into ly
iii) 1ly into km
iv) 1 angstrom into metre
5) i) 1 fermi = ____ m.
ii) 1AU = _____ m.
VIK/CL IX/PHY Page 2 of 4
iii) ________ is measured in nm.
iv) 1 shake = ___ s
v) 1 century = _____ s
vi) 1 millenium = ___ s
6) Convert 365 days into seconds.
7) Write the eight guidelines for writing the unit of a physical quantity.
DAY – 3
CHAPTER 1A
Work card - 3
1) Find the order of magnitude:
i) 8976.236
ii) 19.345
iii) 0.000876
2) Calculate the derived units for the following :
i) Speed
ii) Force
iii) Power
iv) Pressure
3) If the size of a bacteria is 1 micron, then how many bacterias can be found in 1m
length?
4) The radius of a hydrogen atom is about 0.5 angstrom. Calculate its volume in SI
units.
5) The average mass of an atom of uranium is 4.9 x 10 -25 kg. Find the number of
atoms in 1g of uranium.
DAY – 4
CHAPTER 1B
Work card - 4
1) Define least count of an instrument.
2) Define vernier constant.
3) How is the least count of a vernier calliper calculated?
4) Write the important parts and function of vernier calliper and screw gauge.
5) Which is more precise: 0.01 cm, 0.1 cm and 0.001 cm ?
6) How is the least count of a screw gauge calculated?
7) How will you decrease the least count of a screw gauge?
8) What is backlash error? How is it avoided?
VIK/CL IX/PHY Page 3 of 4
DAY – 5
CHAPTER 1B
Work card – 5
1) Find the diameter of the spherical bob from the diagram given below:
2) Find the diameter of the object from the diagram given below:
3) The main scale of a given vernier calipers is calibrated in mm. 10 divisions of the
vernier scale are equal to 9 divisions of the main scale. Find its least count.
When the diameter of a sphere is measured, the zero of vernier scale lies
between 1.0 and 1.1 cm and the 8th division of the vernier scale coincides with
the main scale. Find the diameter of the sphere.
4) A screw gauge has a pitch of 0.5 mm and there are 100 divisions on its circular
head. When it was used to measure the diameter of a wire, the main scale
reading was 2 mm and the 55 th division of the circular head was seen to be
coincident with the reference line. The zero of its circular division was seen to be
coincident with the zero of the main scale when the two jaws were put in contact.
What is the diameter of the wire?
DAY – 6
CHAPTER 1C
Work card – 6
1) Define time period, frequency, amplitude and effective length of pendulum.
2) Write the factors that affect and do not affect the time period of a simple
pendulum.
VIK/CL IX/PHY Page 4 of 4
3) What is a second’s pendulum?
4) Find the time period of a simple pendulum of length 90 cm at a place where
g = 10 m/s2 .
5) A second’s pendulum is taken to a planet where the acceleration due to
gravity is 4 times that on the earth. What would be the time period of the
pendulum on the planet?
Page 1 of 6
THE VIKASA SCHOOL, TUTICORIN
CLASS VIII TO IX – BIOLOGY
WEEK I-DAY 1
WORK SHEET – DISCOVERY AND KINDS OF CELLS
Answer the following:
1. Why is the cell called a structural and functional unit of an organism? 2. Why is the cell considered a living unit? 3. Who put forward the concept of a cell? 4. Why did Robert Hooke call the compartments of cork as cells? 5. What does Omnis cellula-e-cellula mean? Who coined it? 6. Name the microscope which
A] consists of single biconvex lens B] consists of objective and ocular lenses C] can magnify an object to over 2,00,000 times.
7. What is magnification or resolving power? Write the resolving power of
A] human eye B] compound microscope
8. Who postulated cell theory? State the postulates of cell theory.
9. Name the following:
a] A unicellular organism
b] Smallest cell of human body
c] The largest living cell
d] A spindle-shaped cell
e] The longest cell of human body
10. How is the size of a cell related to the size of an organism?
11. What is the advantage of WBC being irregularly-shaped?
12. Why are nerve cells long and branched?
13. How are RBCs adapted to carry maximum amount of oxygen in the body?
14. Why are most of the cells microscopic?
15. Define cell.
Page 2 of 6
THE VIKASA SCHOOL, TUTICORIN
CLASS VIII TO IX – BIOLOGY
WEEK I-DAY 2
Answer the following:
1. How does a plasma membrane maintain the internal environment of a cell? 2. Differentiate plasma membrane and cell wall based on
a) What is it made up of? b) Functions c) Occurrence d) Permeability e) Living or non-living
3. What is permeability? 4. Why is cell membrane called as selectively permeable membrane? 5. Define cytoplasm. 6. Describe the characteristics of cytoplasm. 7. Differentiate organ and organelle. 8. Observe the given diagrams and answer the following questions:
A B a) Label the parts in A and B. b) Mention the name of the above cells. c) Differentiate A and B based on
i) The organelles present in them ii) The occurrence of nucleus iii) Size of the vacuole
Page 3 of 6
THE VIKASA SCHOOL, TUTICORIN
CLASS VIII TO IX – BIOLOGY
WEEK I-DAY 3
WORK SHEET – CELL ORGANELLES
ANSWER THE FOLLOWING:
1. List the organelles present in the cytoplasm of a cell.
2. What is the relation between ER and Golgi complex?
3. Mitochondrion is known as the power house of the cell. Why?
4. Write the expanded form of ATP.
5. Where could you find cristae?
6. Name the following and give reasons for the same:
a) Suicidal bag
b) Framework
7. Ribosomes are the smallest organelles of the cell. But they do very
important role in the growth of the cell. How?
8. Where are centrosomes present? What is the function of them?
9. Write the kinds of plastids. Which parts of the plants contain them?
10. Identify the following cell organelles and mention their functions:
A. B.
C. D.
Page 4 of 6
THE VIKASA SCHOOL, TUTICORIN
CLASS VIII TO IX – BIOLOGY
WEEK I-DAY 4
WORK SHEET – NUCLEUS AND PLANT & ANIMAL CELLS
ANSWER THE FOLLOWING:
1. Observe the following diagram and answer the following:
a) Is nucleus living or non-living organelle?
b) Why is nuclear membrane called as semi-permeable membrane?
c) What is the function of nucleolus?
d) Where is nucleus present in the cytoplasm of animal cell and plant cell?
e) Which parts of the nucleus are the living parts?
f) List the non-living substances in the nucleus.
g) What is the characteristic of nucleoplasm?
h) What does chromatin contain?
i) If nucleus is removed from the cell, what happens to the cell? Why?
j) What is gene? Write the expansion of DNA.
2. Name the cell organelles which are present in the plant cell but absent in
the animal cell.
3. More mitochondria are present in the animal cells compared to plant cells.
Justify it.
4. Plants provide roughage to our diet. Which part of the plant cells makes
roughage to their products?
5. Differentiate plant and animal cells based on the occurrence of vacuoles.
Page 5 of 6
THE VIKASA SCHOOL, TUTICORIN
CLASS VIII TO IX – BIOLOGY
WEEK I-DAY 5
WORK SHEET – PROKARYOTIC AND EUKARYOTIC CELLS
ANSWER THE FOLLOWING:
1. Write the meaning of the terms prokaryotic and eukaryotic.
2. Name the nuclear region of prokaryotic cell.
3. What is the state of nuclear membrane in prokaryotic and eukaryotic cells?
4. Name the only cytoplasmic organelle present in the prokaryotic cell.
5. What is protoplasm?
6. Observe the diagram:
a) Name the above organism.
b) Is it prokarytic or eukaryoric organism? Give reason.
c) Label the parts.
d) What is the function of parts 6 and 10?
e) Which part contains genetic material?
f) Give examples for prokarytic and eukaryotic organisms.
g) Why is bacterium not considered as either plant cell or animal cell?
Page 6 of 6
THE VIKASA SCHOOL, TUTICORIN
CLASS VIII TO IX – BIOLOGY
WEEK I - DAY 6
WORK SHEET – CELL-THE UNIT OF LIFE
1. Draw and label the following diagrams:
a) Plant cell – Parts to be labeled: cell wall, cell membrane, chloroplast,
vacuole, nucleus, cytoplasm
b) Animal cell – Plasma membrane, nucleus, cytoplasm, RER, SER,
ribosome, mitochondrion, Golgi complex, centrosome,lysosome
c) Nucleus – Nucleoplasm, nucleolus, chromatin network, nuclear pore,
nuclear membrane
d) Bacteria - Cilia, flagella, cell wall, cell membrane, nucleoid,
cytoplasm, ribosomes, particles
2. Now we keep social distancing and are under lockdown to prevent the
spread of COVID-19 virus. Can you answer the following questions based
on the chapter CELL: THE UNIT OF LIFE?
a) Is virus a cell? If so or not, what type of substance is it?
b) Say the meaning of virus.
c) Bacteria are called as microorganisms. Virus too could be seen
through electron microscope only. Is there any difference between
bacteria and virus?
d) Doctors say antibiotics cannot be used against viral diseases. Why?
What are antibiotics? Against which type of diseases antibiotics could
be used?
e) Scientists and researchers are in the fast track of finding vaccine for
Corona virus. What is vaccine?
f) What type of genetic material [DNA or RNA] is present in COVID-19
virus?
g) What is the mode of transmission of Corona virus?
h) List the precautionary measures to be taken by you and your family
members to avoid the infection of COVID-19 virus.
Follow them and stay safe at home.
CLASS 9 MATHEMATICS(FINAL):
Chapter 2: Compound interest.
1)Find the Amount and the compound interest on Rs 5000 for 2 years
at 10% interest being payable yearly.
2)How much will Rs 256 amount to in one year at 12 % p.a when the
interest is compounded half yearly?
3)In what time will Rs 64000 amount to Rs 68921 at 5% p.a interest
being compounded semi annually?
4)At what rate percent compound interest Rs 800 amounts to Rs
926.10 in 1 years, interest being compounded half yearly?
5)The difference between the simple and compound interest for a
certain sum of money for 3 years at 5% p.a is Rs 61.Find the sum.
6.)Find the sum which amounts to Rs 1352 in 2 years at 4% compound
interest
7)6000 workers were employed to construct a river bridge in four years.
At the end of first year, 20% workers were retrenched. At the end of
second year, 5% of the workers at that time were retrenched. However,
to complete the project in time, the numbers of workers was increased
by 15 % at the end of third year. How many workers were working
during the fourth year?
8.)24000 blood donors were registered with ‘red cross’ at Kolkata. The
number of donors increased at the rate of 5% every six months. Find the
time period at the end of which the total number of blood donors becomes
27783.
9).Ashish purchased a boat for Rs.16000. If the cost of the boat after two
years depreciates to Rs. 14,440, find the rate of depreciation.
10. )The present price of a scooter is Rs. 7,290. If its value decreases
every year by10%, then what was its value 3 years ago?
11. )The C.I on Rs. 30,000 at 7% per annum for a certain time is Rs. 4347.
Find the
time.
12. )the difference between S.I and C.I on the same sum of money at 6 %
for 3 years is Rs. 184. Determine the sum.
13.)What sum will become Rs. 4913 in 1 years if the rate of interest is 12
% compounded half yearly?
14). Find the C.I on Rs. 80,000 for 3 years if the rates for the 3 years are
4%,5% and 10% respectively.
15.)A sum of Rs. 9,600 is invested for 3 years at 10%
p.a C.I (i) what is the sum due at the end of the first
year?
(ii) what is the sum due at the end of the second year?
(iii) Find the C.I earned in the first 2 years.
(iv) Find the C.I at the end of 3 years.
16) Mr.Ravi borrows Rs.16000 for 2 years. The rate of interest for the two
successive years are 10% and 12% respectively. If he repays Rs.5600 at
the end of first year, find the amount outstanding at the end of second
year.
17)IN WHAT TIME WILL RS.1200 AMOUNT TO RS.1323 AT 5%
p.a. C.I. WHEN THE INT. IS PAYABLE ANNUALLY?
18)ON WHAT SUM OF MONEY WILL THE DIFFERENCE
BETWEEN THE C.I. AND S.I. FOR 2 YEARS BE RS.25 IF THE
RATE OF INTEREST FOR BOTH IS 5% p.a.?
19) THE VALUE OF A FLAT CONSTRUCTED AT THE COST OF
RS.1 LAKH IS DEPRECIATING UNIFORMLY AT THE RATE OF
10%. WHAT WILL BE ITS VALUE AFTER 3 YEARS?
20) IN A FACTORY THE PRODUCTION OF SCOOTERS WAS
40,000 WHICH ROSE TO 48400 IN 2 YEARS. FIND THE RATE OF
GROWTH PERCENTAGE.
21) A SUM COMPOUNDED ANNUALLY BECOMES 25
16 TIMES OF
ITSELF IN 2 YEARS. DETERMINE THE RATE OF INTEREST p.a.
22) THE VALUE OF A MACHINE DEPRECIATES AT THE RATE
OF 10% p.a. . IF ITS PRESENT VALUE IS RS.8100 WHAT WILL
BE ITS VALUE
i) AFTER 3 YEARS ii) BEFORE 2 YEARS
23) A BANK OFFERS 5% C.I. CALCULATED ON HALF-YEARLY
BASIS. A CUSTOMER DEPOSITS RS. 1600 EACH ON 1ST January
AND 1ST JULY OF A YEAR. AT THE END OF THE YEAR, WHAT
WILL BE THE AMOUNT HE WOULD HAVE GAINED BY THE WAY
OF INTEREST? (ANSWER:RS.121)
24) A SUM OF MONEY DOUBLES ITSELF AT C.I. IN 15 YEARS.
IN HOW MANY YEARS WILL IT BECOME 8 TIMES? (ANSWER: 45
YEARS)
25) A MAN BORROWED RS.15,000 FOR 2 YEARS. THE RATE OF
INTERESTS FOR THE TWO SUCCESSIVE YEARS ARE 8% AND 10%
RESPECTIVELY. IF HE REPAYS RS.6200 AT THE END OF FIRST
YEAR, FIND THE OUTSTANDING AMOUNT AT THE END OF SECOND
YEAR.
CHAPTER-3:
Expand the following : a) (3a+5b)² b)(1
2𝑥 +
2
3𝑦)² c)
(2a+3b+4c)² d)(3a-2b+5c)²
2. If𝑥 +1
𝑥= 4 find i) 𝑥² +
1
x2ii) 𝑥4 +1
𝑥4
3. If 𝑥 −1
2𝑥 = 3 find i)𝑥2 +
1
4𝑥2 ii) 𝑥4 +
1
16𝑥4
4. If 𝑎2 +1
𝑎2 = 14 find i) 𝑎 −1
𝑎ii) 𝑎2 −
1
𝑎2
5. If a2-3a+1=0 find i) 𝑎 +1
𝑎ii) 𝑎2 +
1
𝑎2
6. Evaluate using identities : i) (107)² ii) (20.6)² iii) (966)² iv) (9.7)² v) 124X116
7. Complete the following : i) 25a² +9b²+__ ii) 16a²-8ab+
8. i) a²+ b²+ c² =125 ii) ab+ bc+ ac ; find a+b+c .
9. If a-b=8 and ab=5 , find a2+b2 (74)
10.1f a+b=10 and ab=21, find 2( a²+b²) (116)
11. If 2x+3y=7 and xy=2 , find 4x²+9y² (25)
12. If x+y=9 and xy=-22 , find (i) x-y (ii) x²-y² (13,117)
13.EvaIuate: (i)(x+2)³ (ii) (2a+b)³
14.EvaIuate: (i) (5x-3y)³ (ii) (2𝑥 −1
3𝑦)
3
15. If a-b=7 and a²+b²=85, then find the value of a³-b³ (721)
16. If a-b = 3 and ab =4 find a³-b³ (63)
17. If a-2b+3c=0 state the value of a³ -8b³ +27c³. (-18abc)
18. Evaluate: (27)³ + (-17)³ + (-10)³ (13770)
19. Evaluate by using property (-28)³ + (15)³+ (13)³ (-
16380)
20.𝑎 +1
𝑎= 2
1
2 Find the value of (i) 𝑎 −
1
𝑎 (ii)𝑎3 −
1
𝑎3 (3
2, 7
7
8)
ACTIVITY 1:
MATHEMATICS LEARNING SKILLS FOR CLASS 9:
1. ASK YOUR PARENTS ABOUT THE MONEY THEY
HAD DEPOSITED OR BORROWED FOR A SPECIFIC TIME
PERIOD AT SPECIFIC RATE OF INTEREST IN A
REPUTED BANK.
COMPARE THE COMPOUND INTEREST WITH
ANOTHER BANK. FIND OUT WHICH BANK IS THE
BETTER ONE TO DEPOSIT MONEY AND THE
DIFFERENCE BETWEEN THE COMPOUND INTEREST
ISSUED BY BOTH THE BANKS.
2. DRAW A FIGURE (EITHER IN CHART OR PAPER) TO
PROVE THAT (a+b)²=a²+2ab+b².
3. SURF THE INTERNET TO FIND THE NUMBER OF
TREES IN A PARTICULAR
GEOGRAPHICAL LOCATION , IN THE START OF THE
YEAR. FIND THE NUMBER OF TREES AT THE END OF
THREE MONTHS IF THEY DEPRECIATE UNIFORMLY
EACH MONTH AT THE RATE OF 10%.
ACTIVITY 2:
STATISTICS learning outcome:
THE CHILD DEVELOPS THE SKILLS TO
COLLECT,ORGANISE,DISPLAY,ANALYSE AND INTERPRET
THE INFORMATION. THIS ENABLES THE LEARNER TO
PARTICIPATE MEANINGFULLY IN POLITICAL,SOCIAL AND
ECONOMIC ACTIVITIES.
Research about the growth factor in the spread of Covid 19 and
using the formula predict the No.of Covid 19 cases in the next
month. Show your output in a bar graph comparing the no.of cases
in the past month and the next month.
TAMIL - CLASS VIII - IX
1) ASSIGNMENT TOPIC -
Week 1 :
இய�ைகேபரிட� (15 pages)
Week 2 :
தமிழக வ�ைளயா���க� (10 pages)
2) READING SKILLS -
Read Tamil newspaper, journals and story books
3) LISTENING SKILLS -
Watch speeches of Sugisivam, Jeyanthi Sri Balakrishnan, Bharathi Baskar, Iraiyanbu in YouTube
4) WRITING SKILLS -
Take short notes of the news read from the newspapers.
5) SPEAKING SKILLS -
Prepare a speech on any topic of your choice and practice.
6) GRAMMAR -
Translate 20 English proverbs to Tamil.
Commercial Applications
Class IX
Chapter I week 1
Day 1 Meaning - Commerce, Trade, Business & Industry
Day 2 Characteristics of Business
Day 3 Types of Trade
Day 4 Hindrances of Trade
Day 5 Economic & Non-Economic Activities
Chapter 1 Week 2
Day 1 Types of Industries
Day 2 Branches of Commerce
Day 3 Trade Vs Commerce
Day 4 Commerce Vs Industries
Day 5 Economic Activities Vs Non-Economic Activities
THE VIKASA SCHOOL, TUTICORIN
CLASS: IX SUBJECT-HOMESCIENCE
INTERNAL ASSESSMENT
A minimum of two written assignments to be completed.
Suggested list of assignments:
➢ Identify economically and environmentally friendly alternatives in order to deal with the scarcity of resources such as fuels in the locality.
➢ Collect the themes related to environmental concerns and problems. Synthesize
information gathered from books, journals, magazines and the internet.
➢ Collect labels from packages of food, clothing and consumer durables; study and
analyse the information given in these labels.
➢ List foods you have eaten on any one day and classify them into food groups,
and analyse on the basis of nutrient content and appearance.
➢ Collect ten play materials and evaluate them in terms of their merits and
demerits.
➢ Collect information about global environmental issues and problems and
communicate your findings through appropriate modes of communication such as
posters, charts, collages, cartoons, handouts, letters to all concerned.
Suggested list of practicals:
➢ Preparation of nutritious snacks and various kinds of sandwiches.
➢ Demonstration of various cuts of vegetables and fruits like slice, chop, dice,
mince, juliennes to make easy salads.
➢ Cookery: Preparation of food using simple cooking techniques such as boiling,
frying, steaming, grilling, baking, stewing.
➢ Gardening – potted plants, planting of herbs and medicinal plants and their care.
➢ Cleaning of glass panes, grills, sink (steel and ceramic), counter tops (marble,
granite and sand stones) and wooden shelves and electrical appliances like
refrigerator, oven and cooking stove.
➢ Collect samples of fabrics and compare them on the basis of cost, durability,
appearance and suitability.
PROJECT GUIDELINES TO BE FOLLOWED:
• Students can choose any two topics for assignment and any two for the practical.
• Practical can be done at home under parents supervision (photos can be taken and
can be used for poster presentation and collage making.
• The project should be properly entitled.
• Each project shouldn’t exceed more than 15 pages.
• Follow the instructions given below while writing a project.
o Index (must contain the sub-topics and page number)
o Introduction
o Objective and scope
o About the topic
o Findings and suggestions
o Conclusions
o Bibliography
• The bibliographic information which must include:
Author’s initials and surname , title of the article, book or journal, editor (if applicable),
publisher’s name, location and year published.
Eg: Beever, E.A.(e.d), Ecological Consequences of climate change, Boca Raton, FL,
CRC Press, 2012.
• Sources that should be avoided: blogs, personal websites, wiki sites, research
articles without citations
Commercial Applications Class IX
Activity
What are the different types of digital payments your family made to meet expenditure this month.
(Google pay, NEFT, UPI, etc.) What are its pros and cons.
ENGLISH - CLASS IX & X
A.PROJECT ASSIGNMENTS (GENERAL GUIDELINES)
i) Choose any one topic from the list suggested in the last page of the
MERCHANT OF VENICE textbook.
(or)
Any poem or short story from ICSE text book.
ii) Collect facts band information on the life and important works of Shakespeare/
poet/ author relating to your chosen topic.
iii) Write a brief introduction on the topic.
iv) Give the summary/explanation.
v) Work on the content related to your topic question.
vi) Do a critical appreciation and conclude with your personal opinion.
vii) Remember to end with the bibliography.
(NOTE: CLASS IX STUDENTS MAY PREPARE A ROUGH DRAFT ONLY)
B.READING SKILLS
Read English newspapers and prepare an essay on the measures taken by
government of Tamilnadu in controlling COVID-19.
Read magazines/journals/storybooks and identify the main ideas in the text, note
down new vocabulary and infer meanings of unfamiliar words.
C.LISTENING SKILLS
Watch English news channels and listen to CAMBRIDGE KET-Key English Test-
Listening Exercises in youtube.
D.WRITING SKILLS
Write a poem on how COVID-19 pandemic has impacted lives and livelihood
worldwide.
E.SPEAKING SKILLS
Draft and practice a speech on any topic of your choice for oral assignment.
Focus on the topic, select relevant information, take notes, paraphrase, use
appropriate vocabulary to give an oral presentation in class using effective delivery
strategies.
F.GRAMMAR
Do the given workcards.