Chapter 1 science around us

GRADE 6

1. Chapter 1 SCIENCE AROUND YOU 3/14/2021 priyanka abraham 1

2. Welcome to Grade 6 – Science. Why should we learn science? Is there Science around us? For it you need to know what is science. 3/14/2021 priyanka abraham 2

3. What is Science? Science is a system of acquiring and organizing knowledge by using scientific method. 3/14/2021 priyanka abraham 3

4. Scientific method Identifying a problem Observation and gathering information Possible explanation Experimental verification Reaching a conclusion 3/14/2021 priyanka abraham 4

5. A scientist is a person with a scientific frame of mind. He/she is curious about things and happenings. He does not things for granted. They have a keen sense of observation and the ability to arrive at the right conclusions from the observations made. A scientist uses scientific method. 3/14/2021 priyanka abraham 5

6. ZOOLOGY 3/14/2021 priyanka abraham 6

7. PHYSICAL SCIENCE PHYSICS- Study Of Matter And Energy. CHEMISTRTY- Study Of Composition And Behaviour Of Matter. 3/14/2021 priyanka abraham 7

8. NATURAL SCIENCE (study of Living things ) 3/14/2021 priyanka abraham 8

9. 3/14/2021 priyanka abraham 9 SCIENTISTS

10. INDIAN SCIENTISTS 3/14/2021 priyanka abraham 10

11. 3/14/2021 priyanka abraham 11 Radio waves and sensitivity in plants. J C BOSE https://www.youtube.com/watch?v=4RCzuLPBBk0

12. 3/14/2021 priyanka abraham 12 C V RAMAN First Indian to win a nobel prize for Physics in 1930 for discovery of Raman effect which explains certain behaviours of light. https://www.youtube.com/watch?v=OsqSIK0LsDM

13. 3/14/2021 priyanka abraham 13 S N BOSE Studied tiny particles called elementary particles.

14. 3/14/2021 priyanka abraham 14 M N SAHA Developed the Saha Equation which relates the temperature of stars to the kind of light and other rays it emits.

15. 3/14/2021 priyanka abraham 15 HOMI BHABHA Laid the foundations of Atomic Energy research in India.

16. 3/14/2021 priyanka abraham 16 VIKRAM SARABHAI He made contributions to space research.

17. 3/14/2021 priyanka abraham 17 H G KHORANA Won the N obel prize for his work on genes.

18. 3/14/2021 priyanka abraham 18 A P J ABDUL KALAM Made contributions in the development of the missiles Agni and Prithvi . Became the president of India in 2002. https://www.youtube.com/watch?v=TckGcxwknYU

19. 3/14/2021 priyanka abraham 19 SCIENTISTS FROM OTHER COUNTRIES

20. 3/14/2021 priyanka abraham 20 ARCHIMEDES Archimedes principle related to floating and sinking. https://www.youtube.com/watch?v=0v86Yk14rf8

21. 3/14/2021 priyanka abraham 21 Galileo Galilei First to use telescope to study sun and planets. https:// www.youtube.com/watch?v=REUdlA44vuY

22. 3/14/2021 priyanka abraham 22 ISSAC NEWTON Discovered the laws of motion and laws of gravitation. https://www.youtube.com/watch?v=h48BWDeBLno

23. 3/14/2021 priyanka abraham 23 MICHAEL FARADAY DISCOVERED THE RELATIONSHIP BETWEEN ELECTRICITY AND MAGNETISM. https://www.youtube.com/watch?v=TG__fe_FNf4

24. 3/14/2021 priyanka abraham 24 JAMES JOULE Showed heat is a form of energy.

25. 3/14/2021 priyanka abraham 25 Thomas Alva Edison Invented gramophone and electric bulb https://www.youtube.com/watch?v=s46C19QWSGY

26. 3/14/2021 priyanka abraham 26 J J THOMSON He discovered electrons in atom.

27. 3/14/2021 priyanka abraham 27 MARIE CURIE Won two N obel prizes for the discovery of polonium and radium.

28. 3/14/2021 priyanka abraham 28 Edward Jenner First to carry out vaccination https://www.youtube.com/watch?v=jJwGNPRmyTI

29. 3/14/2021 priyanka abraham 29 Albert E instein Most influential physicist of 20 century. Developed the theory of relativity Won the Nobel prize for Physics in 1921 for his explanation of photoelectric effect.

30. 3/14/2021 priyanka abraham 30 Uses of Science

31. 3/14/2021 priyanka abraham 31 1. HEALTH AND LONGEVITY

32. 3/14/2021 priyanka abraham 32 Better methods of diagnosing diseases(blood tests, urine tests, X-ray, radiographs, ultrasound scans, CAT scans, MRI and so on.) Medicines for prevention of diseases and anti- biotic. Radiation methods, bloodless surgery, laser surgery Better sanitation and hygienic conditions. Vaccines to eradicate diseases.

33. 3/14/2021 priyanka abraham 33 Improved equipment and better methods of farming. Increased production of crops due to use of insecticides and fertilizers. High yielding variety of crops and livestock. Improved facilities for deep sea fishing, prawn culture and so on. Improved facilities for canning and preservation of food products.

34. 3/14/2021 priyanka abraham 34 2. TRANSPORTATION

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36. 3/14/2021 priyanka abraham 36 3. COMMUNICATION

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38. 3/14/2021 priyanka abraham 38 4. CLOTHING

39. 3/14/2021 priyanka abraham 39 5. APPLIANCES AND GADGETS

40. 3/14/2021 priyanka abraham 40 6. RECREATION

41. 3/14/2021 priyanka abraham 41 7. ENERGY

42. 3/14/2021 priyanka abraham 42 MISUSE OF SCIENCE Pollution Ozone depletion Poisonous gases from factories. Bombs

43. 3/14/2021 priyanka abraham 43 Science can be a good friend and the worst enemy. It depends on the use. Be a master of Science and not a slave of it.

44. 3/14/2021 priyanka abraham 44 THANK YOU