01 / 8Tom Scott≈ approximate level B28:02–8:07 .
02 / 8Practical Engineering≈ approximate level B23:52–4:00
, - - .
03 / 8TED-Ed≈ approximate level B20:06–0:15
, , , .
04 / 8Sprouts≈ approximate level C17:13–7:18
.
05 / 8Lex Clips≈ approximate level C14:57–5:01
.
06 / 8SciShow≈ approximate level B26:15–6:22
, .
07 / 8Practical Engineering≈ approximate level C110:33–10:46
, .
08 / 8Practical Engineering≈ approximate level C12:18–2:31
, , , .