Loading the player...
Scientific method
Thank you for your vote!
You have already voted for this video!
The video has been added to your member zone favourites.
Search Videos for: teaching method
06:07
10498
6040
06:01
2679
1580
05:23
1047
493
07:55
432
326
12:00
175
81
06:24
143
91
09:00
264
147
07:55
364
189
08:00
16158
7930
08:55
182
100
07:03
318
160
09:01
243
143
38:50
472
270
19:38
1311
563
06:15
339
288
18:00
47
15
32:27
706
353
07:59
398
258
10:00
393
224
25:14
412
219
04:38
8184
4566
04:35
988
610
33:11
232
133
41:38
1684
670
06:59
15039
9159
03:09
361
210
07:58
479
262
06:36
2557
1524
08:15
1033
570
08:15
1118
596
12:09
5703
2499
10:00
337
198
08:08
901
514
10:31
6612
4817
09:00
264
166
30:42
419
190
08:15
1208
730
35:45
5007
1798
10:00
261
113
09:00
428
274
05:02
1451
882
05:04
296
219
07:52
3174
1992
11:54
926
490
09:00
196
133
08:00
2170
894
08:15
343
229
07:59
481
252
06:08
900
549
32:38
935
434
08:00
232
131
12:29
10558
5245
08:00
1986
1402
29:04
534
299
33:52
804
406
11:13
1002
614
1Next ...