SCIENCE 5 Useful and Harmful.pptx
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The document discusses parts of the male reproductive system through word searches and unscrambling exercises to label diagrams. Students are tasked with identifying the penis, scrotum, testes, epididymis, urethra, seminal vesicles, vas deferens, Cowper's gland, prostate gland, and glans by searching puzzles and unscrambling letters. The exercises focus on labeling the external and internal male reproductive organs on diagrams.
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Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
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- 5. 4. Empty candy wrappers
- 7. 1. useful 2. useful 3. harmful 4. useful 5. useful
- 12. penis
- 13. scrotum
- 14. testes
- 15. epididymis
- 16. urethra
- 17. seminal vesicles
- 18. vas deferens
- 19. Cowper’s gland
- 20. prostate gland
- 21. glans
- 22. • Directions: Identify the parts of a male reproductive system that will complete the following sentences. You may find the words written horizontally or vertically in the word search puzzle. Write your answers on your paper.
- 23. Vertically 1. The _________ is the external male organ which allows the passage of the semen. 2. The skin covering of the testes which is a sac-like structure is called __________. 3. The ________________ is a narrow- coiled tube which stores immature sperm cells. 4. The _____________ protrude outside the body and produces sperm cells. 5. The ____________ serves as a passageway of both urine from the urinary bladder and semen from the glands. 6. The tip of the penis is called ____________. Horizontally 7. One of the two pea-sized organs found beneath the prostate gland that neutralizes the acidic urine in the urethra is the ____________ gland. 8. The ______________ serves as passageway of the sperm cells released from the testes. 9. The _______________ are sac-like pouches attached to the vas deferens which supply the sperm cells with a fluid rich in fructose to keep them active. 10. The _________________ is located between the bladder and the
- 24. Directions: Determine the parts of the reproductive system by arranging the jumbled letters in each item. The description opposite the jumbled letters will help you come up with the correct word. 1. SPINE It is the external male organ. 2. EESSTT They produce sperm cells. 3. THERAUR It is the passageway of both urine and semen 4. TOASTERP ADLNG It secretes fluid that is mixed with sperm cells. 5. MAILSEN ESCLIVE It is a temporary storage of sperm cells before they are released to the urethra.
- 26. Give the male reproductive system. __________1. It is the external male organ which is covered by foreskin. __________2. This is a pair of pouch-like sacs that serves as skin covering of the testes. __________3. It is the gland that produces sperm cells, and male sex hormones. __________4. It is a narrow-coiled tube that stores immature sperm cells. __________5. It is the passageway of both urine from the urinary bladder and semen from the glands.
- 27. Find the meaning of the following words. 1. ovaries 2. uterine lining 3. vagina 4. cervix 5. vulva 6. uterus 7. fallopian tube 8. endometrium