User:Harish k87/Books/DSERT CLASS 9 Science Part 2


 * Synthetic Materials
 * Cement
 * Plastic
 * Biodegradable plastic


 * Life Processes
 * Xylem
 * Phloem
 * Ascent of sap
 * Transpiration
 * Evaporation
 * Human heart
 * Circulatory system
 * Lymphatic system
 * Cardiovascular disease
 * Plant cuticle
 * Stoma


 * Cell Division
 * Cell division
 * Mitosis
 * Meiosis


 * Reproduction in Animals
 * Sexual reproduction
 * Cockroach
 * Amoeba
 * Metamorphosis
 * Human reproduction
 * Reproductive system
 * Human male reproductive system
 * Human female reproductive system
 * Biological life cycle
 * Prenatal development
 * Human fertilization
 * Internal fertilization
 * Twin
 * Assisted reproductive technology


 * Optical Instruments
 * Optical instrument
 * Camera
 * Telescope
 * Microscope
 * Binoculars


 * Circular Motion
 * Circular motion
 * Centrifugal force
 * Centripetal force