STEM ENCYLOPEDIA

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The Science Technology Engineering Math (STEM) Encyclopedia is a Fair Use collection of all science courses covered from High School, College and University. This is for Fair Use education curriculum or application sciences in line with the Competency Based Curriculum (CBC) including Special Education needs which have previously been under resourced in materials. The book follows the year-by-year, term-by-term, lesson by lesson syllabus for each of the STEM subjects namely Agriculture, Biology, Chemistry, Computer Science, Home Science. Mathematics, Metalwork, Physics and Woodwork that are taught at all the previously mentioned levels. The Fair Use publication of this book, providing video links for each subject, topic and subtopic was important for various academic reasons and justifications, aside from being learner centered and addressing the Seven Core Competencies areas of CBC. These are communication and collaboration between learners and teachers; learning to learn; citizenship; imagination and creativity of learners; self-efficacy of the learners against any adversities or challenges; digital literacy.

First, there is hardly any book that is exclusively presented in video link formats despite the obvious pedagogical advantages. The paper back copy can also be accessible as a STEM Education Access Equalizer, which learners and teachers, at own pace, can quickly open, paste, click and view various lessons on demand or convenience, either as first time reference, revision or mastering of skills and lessons.

Second, all STEM subjects which are normally taught or demonstrated once in the students’ life at laboratory / workshop / field are available in the STEM Encyclopedia and these give students’ flexibility of learning and revising for exams whether at school or during holidays from home.

Third, most schools often cannot afford the timetable and resources for repeating the laboratory / workshop /field experiments which are now available in accredited and acknowledged video format. These online tuitions, laboratory, field and workshop videos also come in handy for learners to master laboratory, workshop, field safety, equipment handing and procedural rehearsals without stretching the learning institutions’ resources.

Fourth, in this STEM Encyclopedia there are videos for field and equipment skills enhancement for the Agricultural subjects. There are videos in cooking, laundry and hygiene for the Home Science lessons to develop performance of tasks. There are workshop videos for Woodwork and Metalwork to enhance the learners’ mastery of associated technology including using computer-aided design (CAD) software for design work. Through hands-on learning, students are able to explore their creativity, develop practical skills, and apply scientific and mathematical concepts in meaningful and practical ways.

Fifth, access to STEM education in the various levels is often hindered by institutional, learner or teacher factors, further impacting proficiency and CBC mastery. At institutional level, some learners do not have enough STEM teachers, hence lag behind in learning. At learner level, any form of absenteeism due to either illness, personal reasons or closure of learning institution can lead to missing out on vital laboratory / workshop / field practical lessons which are not easy to redo as the termly timetable must proceed as earlier scheduled. At the teacher level, their absenteeism can also affect the learners and affect their final grades.

Sixth, the STEM Encyclopedia comes in handy to fill the learning gaps including enhancing the performance of those who learn better by viewing as opposed to listening to the teacher.

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PREFACE ii

ACKNOWLEDGEMENT iii

TABLE OF CONTENT FOR THE E_BOOK

AGRICULTURE TUITION AND FIELD PRACTICAL VIDEOS

1.0 INTRODUCTION 1

2.0 FACTORS INFLUENCING AGRICULTURE 8

3.0 FARM TOOLS AND EQUIPMENT 14

4.0 CROP PRODUCTION - I 16

5.0 WATER SUPPLY, IRRIGATION AND DRAINAGE 20

6.0 SOIL FERTILITY - I (ORGANIC MANURES) 25

7.0 LIVESTOCK PRODUCTION - I (COMMON BREEDS) 27

8.0 AGRICULTURAL ECONOMICS I (BASIC CONCEPTS AND FARM RECORDS) 31

9.0 SOIL FERTILITY II (INORGANIC FERTILIZERS) 33

10.0 CROP PRODUCTION - II (PLANTING)36

11.0 CROP PRODUCTION - III (NURSERY PRACTICES) 41

12.0 CROP PRODUCTION- IV (FIELD PRACTICES) 47

13.0 CROP PRODUCTION - V (VEGETABLES) 53

14.0 LIVESTOCK HEALTH - I (INTRODUCTION TO LIVESTOCK HEALTH) 55

15.0 LIVESTOCK HEALTH - II (PARASITES)56

16.0 LIVESTOCK PRODUCTION - II (NUTRITION) 59

17.0 LIVESTOCK PRODUCTION - III (SELECTION AND BREEDING) 62

18.0 LIVESTOCK PRODUCTION - IV (LIVESTOCK REARING)66

19.0 FARM STRUCTURES 75

20.0 AGRICULTURAL ECONOMICS - II (LAND TENURE AND LAND REFORM) 82

21.0 SOIL AND WATER CONSERVATION 84

22.0 WEEDS AND WEED CONTROL 93

23.0 CROP PESTS AND DISEASES 96

24.0 CROP PRODUCTIVITY - IV (FIELD PRACTICES II) 100

25.0 FORAGE CROPS 105

26.0 LIVESTOCK HEALTH III (DISEASES) 110

27.0 LIVESTOCK PRODUCTION - V (POULTRY) 119

28.0 LIVESTOCK PRODUCTION - VI (CATTLE) 124

29.0 FARM POWER AND MACHINERY 128

30.0 AGRICULTURAL ECONOMICS - III (PRODUCTION ECONOMICS) 142

31.0 AGRICULTURAL ECONOMICS - IV(FARM ACCOUNTS) 148

32.0 AGRICULTURAL ECONOMICS V (AGRICULTURAL MARKETING AND ORGANISATIONS) 151

BIOLOGY TUITION & LABORATORY VIDEO LINKS

1.0 INTRODUCTION TO BIOLOGY 155

2.0 CLASSIFICATION I 155

3.0 CLASSIFICATION II 157

4.0 THE CELL 158

5.0 CELL PHYSIOLOGY 159

6.0 NUTRITION IN PLANTS AND ANIMALS 161

7.0 TRANSPORT IN PLANTS AND ANIMALS 163

8.0 GASEOUS EXCHANGE 165

9.0 RESPIRATION 167

10. EXCRETION AND HOMEOSTASIS 168

11. ECOLOGY 169

12. REPRODUCTION IN PLANTS AND ANIMALS 173

13. GROWTH AND DEVELOPMENT 175

14. GENETICS 176

15. EVOLUTION 177

16. RECEPTION, RESPONSE AND COORDINATION IN PLANTS AND ANIMALS 178

17. SUPPORT AND MOVEMENT IN PLANTS AND ANIMALS 179

CHEMISTRY TUITION & LABORATORY VIDEO LINKS

1.0 CHEMISTRY LABORATORY APPARATUS AND SAFETY 181

2.0 CLASSIFICATION OF SUBSTANCES 181

3.0 AIR AND COMBUSTION 183

4.0 WATER AND HYDROGEN 184

5.0 STRUCTURE OF THE ATOM AND THE PERIODIC TABLE 184

6.0 CHEMICAL FAMILIES: PATTERNS IN PROPERTY 184

7.0 STRUCTURE AND BONDING 191

8.0 GAS LAWS 193

9.0 THE MOLE: FORMULAE AND CHEMICAL EQUATIONS 194

10.0 CARBON AND ITS COMPOUNDS 196

11.0 NITROGEN AND ITS COMPOUNDS 197

12.0 SULPHUR AND ITS COMPOUNDS 199

13.0 CHLORINE AND ITS COMPOUNDS 200

14.0 ACIDS AND BASES INDICATORS 203

15.0 SALTS 204

16.0 ACIDS, BASES AND SALTS 207

17.0 ENERGY CHANGES IN CHEMICAL AND PHYSICAL PROCESSES 209

18.0 REACTION RATES AND REVERSIBLE REACTIONS 210

19.0 EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCE212

20.0 ELECTROCHEMISTRY 212

21.0 METALS 214

22.0 ORGANIC CHEMISTRY I (HYDROCARBONS) 215

23.0 ORGANIC CHEMISTRY II (ALKANOLS AND ALKANOIC ACIDS) 218

24.0 RADIOACTIVITY 220

COMPUTER SCIENCE TUITION & LABORATORY VIDEOS

1.0 INTRODUCTION TO COMPUTERS 222

2.0 COMPUTER SYSTEMS 225

3.0 OPERATING SYSTEM230

4.0 WORD PROCESSOR 234

5.0 DATA SECURITY AND CONTROLS 250

6.0 DATA REPRESENTATION 252

7.0 DATA PROCESSING 254

8.0 ELEMENTARY PROGRAMMING PRINCIPLES 257

9.0 SYSTEMS DEVELOPMENT 259

10.0 INTRODUCTION TO NETWORKING AND DATA COMMUNICATION 260

11.0 APPLICATION AREAS OF INFORMATION AND COMMUNICATION TECHNOLOGY 262

12.0 IMPACT OF INFORMATION AND COMMUNICATION TECHNOLOGY ON SOCIETY 264

13.0 CAREER OPPORTUNITIES IN INFORMATION COMMUNICATION TECHNOLOGY 266

14.0 INFORMATION COMMMUNICATION TECHNOLOGY PROJECTS 267

15.0 DATA ANALYTICS RESOURCES 268

16.0 PROGRAMMING LANGUAGES 268

17. CLOUD TECHNOLOGY 269

18.0 CYBER SECURITY 269

HOME SCIENCE TUITION AND PRACTICAL VIDEOS

1.0 INTRODUCTION TO HOME SCIENCE 271

2.0 PERSONAL HYGIENE 271

3.0 SAFETY IN THE HOME AND FIRST AID 272

4.0 HOUSING THE FAMILY 273

5.0 CARE OF THE HOME 274

6.0 KITCHEN EQUIPMENT 275

7.0 FOOD HYGIENE 276

8.0 METHODS OF COOKING 277

9.0 TEXTILE AND FIBRES 283

10.0 SEWING TOOLS AND EQUIPMENT 284

11.0 STITCHES 285

12.0 ENVIRONMENTAL HYGIENE 287

13.0 LAUNDRY EQUIPMENT 288

14.0 DETERGENTS AND LAUNDRY AGENTS 289

15.0 LAUNDRY PROCESSES 291

16.0 REPAIR OF CLOTHES AND HOUSEHOLD ARTICLES 291

17.0 LAUNDERING DIFFERENT FABRICS 292

18.0 SPECIAL TREATMENT IN LAUNDRYWORK 294

19.0 STORAGE OF CLOTHES AND HOUSEHOLD ARTICLES 296

20.0 FOOD NUTRIENTS AND NUTRITIONAL DISORDERS 297

21.0 SEAMS 300

22.0 PATTERN AND GARMENT CONSTRUCTION 300

23.0 CONSUMER AWARENESS 302

24.0 ADVERTISEMENT 302

25.0 MEAL PLANING AND MANAGEMENT 303

26.0 MATERNAL CHILD HEALTHCARE 304

27.0 CHILD IMMUNIZATION 307

28.0 BREASTFEEDING 308

29.0 WEANING THE BABY 308

30.0 HABIT TRAINING 309

31.0 FLOUR MIXTURES AND RAISING AGENTS 309

32.0 CLOTHING CONSTRUCTION PROCESS 312

33.0 PRINCIPLES OF WISE BUYING 316

34.0 MAKING A BUDGET 317

35.0 CARE OF THE SICK AT HOME 317

36.0 VENTILATION 318

37.0 FUELS IN THE HOME 319

38.0 LIGHTING IN THE HOME 320

39.0 SOFT FURNISING IN THE HOME 321

40.0 FOOD PRESERVATION 322

41.0 CONVENIENCE FOODS 322

42.0 RECHAUFFE COOKERY 323

43.0 CLOTHING CONSTRUCTION PROCESS 324

44.0 PROBLEMS OF THE CONSUMER 325

45.0 CONSUMER PROTECTION 326

MATHEMATICS PRACTICE VIDEOS

1.0 NATURAL NUMBERS327

2.0 FACTORS 327

3.0 DIVISIBILITY TEST 328

4.0 GREATEST COMMON DIVISORS (GCD) / HIGHEST COMMON FACTOR (HCF) 328

5.0 LEAST COMMON MULTIPLE (L.C.M) 329

6.0 INTEGERS 329

7.0 FRACTIONS 330

8.0 DECIMALS 331

9.0 SQUARE AND SQUARE ROOTS 332

10.0 ALGEBRAIC EXPRESSIONS 333

11.0 RATES, RATIO, PERCENTAGE AND PROPORTIONS 334

12.0 LENGTH 336

13.0 AREA 337

14.0 VOLUME AND CAPACITY 337

15.0 MASS, DENSITY AND WEIGHT 338

16.0 TIME 339

17.0 LINEAR EQUATION 340

18.0 COMMERCIAL ARITHMETIC341

19.0 CO-ORDINATES AND GRAPHS 342

20.0 ANGLES AND PLANE FIGURES 343

21.0 GEOMETRIC CONSTRUCTIONS 344

22.0 SCALE DRAWINGS 345

23.0 COMMON SOLIDS 347

24.0 CUBES AND CUBEROOTS 348

25.0 RECIPROCOL 349

26.0 INDICES AND LOGARITHMS350

27.0 EQUATIONS AND STRAIGHT LINES 351

28.0 REFLECTION AND CONGRUENCE 352

29.0 ROTATION 354

30.0 SIMILARITY AND ENLARGMENT 355

31.0 PYTHAGORAS THEOREM 357

32.0 TRIGONOMETRY 357

33.0 AREA OF TRIANGLE359

34.0 AREA OF QUADRILATERAL AND OTHER POLYGONS 360

35.0 AREA OF PART OF CIRCLE 360

36.0 SURFACE AREA OF SOLID 361

37.0 VOLUME OF SOLIDS 362

38.0 QUADRILATERAL EXPRESSION AND EQUATIONS 362

39.0 LINEAR INEQUALITIES 364

40.0 LINEAR MOTION 365

41.0 STATISTICS367

42.0 ANGLE PROPERTIES OF A CIRCLE 369

43.0 VECTORS 370

44.0 QUADRATIC EQUATIONS 372

45.0 APPROXIMATION AND ERRORS 374

46.0 TRIGONOMETRY (2) 376

47.0 SURDS 378

48. FURTHER LOGARITHMS 378

49.0 COMMERCIAL ARITHMETICS (2) 379

50.0 CIRCLES, CHORDS AND TANGENTS 381

51.0 MATRICES 382

52.0 FORMULAE AND VARIATIONS 384

53.0 SEQUENCE AND SERIES 386

54.0 VECTORS (2) 388

55.0 BINOMIAL EXPANSIONS 389

56.0 PROBABILITY 390

57.0 COMPOUND PROPORTIONS AND RATES OF WORK 392

58.0 GRAPHICAL METHODS 393

59.0 MATRICES AND TRANSFORMATION395

60.0 STATISTICS (2) 397

61.0 LOCI 398

62.0 TRIGONOMETRY 399

63.0 THREE DIMENSIONAL GEOMETRY 401

64.0 LONGITUDES AND LATITUDES 402

65.0 LINEAR PROGRAMMING 404

66.0 DIFFERENTIATION 405

67.0 AREA APPROXIMATION 407

68.0 INTEGRATION 408

METAL WORK TUITION AND WORKSHOP VIDEOS

1.0 GENERAL SAFETY 411

2.0 METAL DESIGNING, MAKING AND CALCULATIONS 412

3.0 BENCH WORK AND TOOLS 414

4.0 METAL FILES AND FILING 416

5.0 SHEET METAL WORK 417

6.0 METHODS OF JOINING METAL (SOLDERING) 417

7.0 MATERIALS – I 418

8.0 HAND FORGING 419

9.0 MACHINE TOOLS – I 419

10. COOLANTS IN METAL WORK 420

11. MATERIALS– II 421

12. FOUNDRY WORK 421

13. BEATEN METAL WORK 422

14. METHODS OF JOINING METAL – I (RIVERTING) 423

15. METALS OF JOINING METALS – II (GAS AND ELECTRIC WELDING) 424

16. MACHINE TOOLS 424

17. SCREW THREADS 426

18. MATERIALS – III 427

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19. HEAT TREATMENT 427

20. FINISHES 428

PHYSICS TUITION AND LABORATORY VIDEOS

1.0 INTRODUCTION TO PHYSICS 429

2.0 MEASUREMENTS - I 429

3.0 FORCES 429

4.0 PRESSURE 430

5.0 PARTICULATE NATURE OF MATTER 431

6.0 THERMAL EXPANSION 431

7.0 HEAT TRANSFER 432

8.0 RECTILINEAR PROPAGATION OF LIGHT AND REFLECTION AT PLANE SURFACE 433

9.0 ELECTROSTATICS 434

10.0 CELLS AND SIMPLE CIRCUITS 435

11.0 MAGNETISM 436

12.0 MEASUREMENT – II 436

13.0 TURNING EFFECT OF A FORCE 437

14.0 EQUILIBRIUM AND CENTRE OF GRAVITY 437

15.0 REFLECTION AT CURVED SURFACES438

16.0 MAGNETIC EFFECT OF ELECTRIC CURRENT 439

17.0 HOOKE’S LAW 440

18.0 WAVES 441

19.0 SOUND 441

20.0 FLUID FLOWS 442

21.0 LINEAR MOTION 443

22.0 REFRACTION OF LIGHT 444

23.0 NEWTON’S LAW OF MOTION 445

24.0 WORK, ENERGY, POWER AND MACHINES 446

25.0 CURRENT ELECTRICITY 447

26.0 WAVES 448

27.0 ELECTROSTATICS - II 449

28.0 HEATING EFFECTS OF ELECTRIC CURRENT 450

29.0 QUANTITY OF HEAT 451

30.0 GAS LAWS 452

31.0 THIN LENSES 453

32.0 UNIFORM CIRCULAR MOTION 455

33.0 FLOATING AND SINKING 456

34.0 ELECTROMAGNETIC SPECTRUM 457

35.0 ELECTROMAGNETIC INDUCTION 459

36.0 MAINS ELECTRICITY 460

37.0 CATHODE RAYS AND CATHODE RAY TUBE 461

38.0 X- RAYS 462

39.0 PHOTOELECTRIC EFFECTS 463

40.0 RADIOACTIVITY 465

41.0 ELECTRONICS 466

WOODWORK TUITION AND WORKSHOP VIDEOS

1.0 FUNDAMENTALS OF WOODWORK 468

2.0 BASIC PROCESSES MEASUREMENTS 468

3.0 BASIC PROCESSES – PLANNING / SAWING / DRILLING / BORING 470

4.0 BASIC PROCESSES – WOOD JOINTS 471

5.0 BASIC PROCESSES – CUTTING CURVES 472

6.0 POWER TOOLS 473

7.0 CABINETMAKING AND FURNITURE MAKING 478

8.0 SPECIAL MATERIAL AND PROCESSES – LAMINATING, BENDING, PLASTIC, UPHOLSTRY FINISHING TO FURNITURE 479

9.0 CONSTRUCTION PROJECTS 481

10. CULMINATING WOODWORKING PROJECT 482

APPENDIX 484

E-Book Media Platforms484

https://selar.co/STEM_ENCYCLOPEDIA [Africa]

https://www.kobo.com/ww/en/ebook/stem-encyclopedia-1 [ Those Outside Africa]

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