RSV HIGHER SECONDARY SCHOOL
3. Perform the following reactions and classify them as physical or chemical
CLASS – IX Holiday Homework changes: Iron with copper sulphate solution in water, Burning of magnesium
English ribbon in air, Zinc with dilute sulphuric acid, Heating of copper sulphate
Complete the English Holiday Homework worksheet given to you carefully. crystals, Sodium sulphate with barium chloride in the form of their solutions in
water
fgUnh 4. Preparation of stained temporary mounts of -: onion peel, human cheek cells
vuqPNsn ys[ku & fnuksafnu fxjrk Hkw&ty Lrj & record observation and draw their labeled diagrams.
mPp f”k{kk gsrq Nkvksa dk fons”kksa dks iyk;u 5. Identification of Parenchyma, Collenchyma and Sclerenchyma tissues in
fn;k vkSj rwQku ekuo thou dk lR; plants, striped, smooth and cardiac muscle fibres and nerve cells in animals,
vuqPNsn ys[ku dkWih esa fy[ksaA from prepared slides. Draw their labeled diagrams.
6. Determination of the density of solid (denser than water) by using a spring balance
iksVZQksfy;ks % fgUnh jpukvksa dk laxzg djksA m ensuring cylinder.
laLd`r “yksdks dk vH;kl djds Qkby esa fy[ksA 7. Verification of the Laws of reflection of sound.
dfBu “kCn ikB 1 ls 5 ¼x|½ ds Nk¡Vdj dkWih esa fy[ksaA 8. Determination of the density of solid (denser than water) by using a spring
Maths balance and a measuring cylinder.
1. Prepare a portfolio on the assigned topic. 9. Establishing the relation between the loss in weight of a solid when fully
Follow the given format to prepare portfolio. immersed in a) Tap water b) Strongly salty water with the weight of water
(i) Cover page – Name of School, Name of Student, Topic displaced by it by taking at least two different solids.
(ii) Acknowledgement 10. Determination of the speed of a pulse propagated through a stretched
(iii) Goals string/slinky (helical spring).
(iv) Portfolio information – Assigned by, Submitted by, Class, Roll no.,
Topic 11. Verification of the law of conservation of mass in a chemical reaction.
(v) Table of Contents – Introduction, Classification/ Types, Basic terms, Note:
Examples 1. School will share PDF of Lab manual on your registered Whatsapp and Study
2. Complete the worksheet given to you. base number soon. Please get the print out of the same and use it for making
3. Prepare for test of Chapters your practical record.
(a) Rational number 2. Your experiments should contain-
(b) Linear equation in one variable (i) Aim (Do Not Write Concept) (ii) Materials required
(c) Understanding Quadrilateral (iii) Procedure (iv) Diagram (if any)
(d) Mensuration (e) Exponents & Power (f) Factorisation
(v) Observation (vi) Result/Inference
Science
(vii) Table (if any) (viii) Precautions
I. Prepare a portfolio on any one of the following topics:
Social Studies
Green House Effect / Air Pollution / Water Pollution / Soil / Ozone
Note: All the work is to be done in a project file (10-12 pages) with cover Prepare a portfolio on the following topic:
page, index, topic, bibliography, contents related pictures and decorate Disaster Management
the file. (a) Natural Disaster
II. Prepare a practical file containing the record of following experiments: (b) Manmade Disaster
1. Preparation of : All the work is to be done in a project file (10-12) with cover page, index, topic,
(a) a true solution of common salt, sugar and alum bibliography, contents related pictures and decorate the file.
(b) a suspension of soil, chalk powder and fine sand in water IT
(c) a colloidal solution of starch in water and egg albumin/milk in water Project file: (Handwritten)
and distinguish between these on the basis of transparency stability Topics: Libre office writer, Libre office Calc, Libre office Impress
2. Preparation of (a) A mixture (b) A compound using iron filings and Note: Practical file pages are to be used.
sulphur powder and distinguishing between them on the basis of: Use hard file cover
Appearance, i.e. homogeneity and heterogeneity, behavior towards a
magnet, behavior towards a magnet, behavior towards carbon disulphide
as a solvent, effect of heat
