The complete online guide for CBSE students http://myCBSEguide.com has launched chapter-wise Solved Test Papers for class 9 science CCE second term i.e. Summative Assessment meant for October to March session.
CCE Papers for Second Term are available FREE to download for personal use. Students can download these CCE solved papers from the download section or class 9 section of the website www.myCBSEguide.com
The following chapters are included under this download :
(1) Atoms and Molecules
Atoms and Molecules. Law of constant proportions. Atomic and molecular masses. Mole Concept : Relationship of mole to mass of the particles and numbers. Valency. Chemical formula of common compounds.
(2) Structure of the Atom
Structure of the Atom. Electrons, protons and neutrons, Isotopes and isobars.
(3) Diversity in Living Organisms
Diversity in Living Organisms. Diversity of plants and animals – basic issues in scientific naming, basis of classification. Hierarchy of categories / groups, Major groups of plants (salient features) (Bacteria, Thalophyta, Bryo phyta, Pteridophyta, gymnosperms and Angiosperms). Major groups of animals (salient features) (Non-chordates upto phyla and chordates upto classes).
(4) Work and Energy
Work and Energy. Work done by a force, energy, power, kinetic and potential energy; law of conservation of energy.
Sound. Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo and SONAR. Structure of the human ear (auditory aspect only).
(6) Why Do We Fall ill
Do We Fall ill. Health and its failure. Infectious and Non-infectious diseases, their causes and manifestation. Diseases caused by microbes (Virus, Bacteria and protozoans) and their prevention, Principles of treatment and prevention. Pulse polio programmes.
(7) Natural Resources
Natural Resources. Air for respiration, for combustion, for moderating temperatures, movements of air and its role in bringing rains across India. Air, water and soil pollution ( brief introduction). Holes in ozone layer and the probable damages. Bio-geo chemical cycles in nature : water, oxygen, carbon, nitrogen.
Direct Link to download these Papers : Click Here